[rt] Update to 4.19.124-rt53

This commit is contained in:
Salvatore Bonaccorso 2020-06-23 11:08:47 +02:00
parent 2539d079ec
commit 0d97b373b5
330 changed files with 1719 additions and 1718 deletions

1
debian/changelog vendored
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@ -315,6 +315,7 @@ linux (4.19.124-1) UNRELEASED; urgency=medium
(Closes: #963493) (Closes: #963493)
* nfsd: apply umask on fs without ACL support (Closes: #962254) * nfsd: apply umask on fs without ACL support (Closes: #962254)
* [rt] Update to 4.19.120-rt52 * [rt] Update to 4.19.120-rt52
* [rt] Update to 4.19.124-rt53
-- Salvatore Bonaccorso <carnil@debian.org> Wed, 13 May 2020 17:44:43 +0200 -- Salvatore Bonaccorso <carnil@debian.org> Wed, 13 May 2020 17:44:43 +0200

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From 94c546b56877133a33b6e344bfe3ee7f698d069a Mon Sep 17 00:00:00 2001 From 4f310e18bbb62e33196484e72d1a7d0416189d63 Mon Sep 17 00:00:00 2001
Message-Id: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> Message-Id: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:18 +0200 Date: Thu, 13 Sep 2018 13:30:18 +0200
Subject: [PATCH 001/327] ARM: at91: add TCB registers definitions Subject: [PATCH 001/327] ARM: at91: add TCB registers definitions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Add registers and bits definitions for the timer counter blocks found on Add registers and bits definitions for the timer counter blocks found on
Atmel ARM SoCs. Atmel ARM SoCs.

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From f4ba1e096c17024b919eed42e42b95906f78e9d4 Mon Sep 17 00:00:00 2001 From e255d2aa2e1906721ff1c5570d33884cd2fec55f Mon Sep 17 00:00:00 2001
Message-Id: <f4ba1e096c17024b919eed42e42b95906f78e9d4.1588797587.git.zanussi@kernel.org> Message-Id: <e255d2aa2e1906721ff1c5570d33884cd2fec55f.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:19 +0200 Date: Thu, 13 Sep 2018 13:30:19 +0200
Subject: [PATCH 002/327] clocksource/drivers: Add a new driver for the Atmel Subject: [PATCH 002/327] clocksource/drivers: Add a new driver for the Atmel
ARM TC blocks ARM TC blocks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Add a driver for the Atmel Timer Counter Blocks. This driver provides a Add a driver for the Atmel Timer Counter Blocks. This driver provides a
clocksource and two clockevent devices. clocksource and two clockevent devices.

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From 606f1ed4ca9ae32b18b73646e197f5bccddd24e8 Mon Sep 17 00:00:00 2001 From 1eb3e20b534521ca26b7f0bac47a840640ddab9b Mon Sep 17 00:00:00 2001
Message-Id: <606f1ed4ca9ae32b18b73646e197f5bccddd24e8.1588797587.git.zanussi@kernel.org> Message-Id: <1eb3e20b534521ca26b7f0bac47a840640ddab9b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:20 +0200 Date: Thu, 13 Sep 2018 13:30:20 +0200
Subject: [PATCH 003/327] clocksource/drivers: timer-atmel-tcb: add clockevent Subject: [PATCH 003/327] clocksource/drivers: timer-atmel-tcb: add clockevent
device on separate channel device on separate channel
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Add an other clockevent device that uses a separate TCB channel when Add an other clockevent device that uses a separate TCB channel when
available. available.

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From 5a68ab1574e969066b19959eea4f840184d8c234 Mon Sep 17 00:00:00 2001 From 1fd848b0c640a606d536a935016238ba6e26e84e Mon Sep 17 00:00:00 2001
Message-Id: <5a68ab1574e969066b19959eea4f840184d8c234.1588797587.git.zanussi@kernel.org> Message-Id: <1fd848b0c640a606d536a935016238ba6e26e84e.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:21 +0200 Date: Thu, 13 Sep 2018 13:30:21 +0200
Subject: [PATCH 004/327] clocksource/drivers: atmel-pit: make option silent Subject: [PATCH 004/327] clocksource/drivers: atmel-pit: make option silent
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
To conform with the other option, make the ATMEL_PIT option silent so it To conform with the other option, make the ATMEL_PIT option silent so it
can be selected from the platform can be selected from the platform

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From 8c3d27d3b3cd3aecb7c92684466a2edab6702d74 Mon Sep 17 00:00:00 2001 From b18d5a54259f5181ff68dd524e0d39022a454b62 Mon Sep 17 00:00:00 2001
Message-Id: <8c3d27d3b3cd3aecb7c92684466a2edab6702d74.1588797587.git.zanussi@kernel.org> Message-Id: <b18d5a54259f5181ff68dd524e0d39022a454b62.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:22 +0200 Date: Thu, 13 Sep 2018 13:30:22 +0200
Subject: [PATCH 005/327] ARM: at91: Implement clocksource selection Subject: [PATCH 005/327] ARM: at91: Implement clocksource selection
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Allow selecting and unselecting the PIT clocksource driver so it doesn't Allow selecting and unselecting the PIT clocksource driver so it doesn't
have to be compile when unused. have to be compile when unused.

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From b03704eee6d051563cf2a10bad6eb191d1199e7e Mon Sep 17 00:00:00 2001 From dbab7bb656e42051b6f7866ab056b683d6bedd58 Mon Sep 17 00:00:00 2001
Message-Id: <b03704eee6d051563cf2a10bad6eb191d1199e7e.1588797587.git.zanussi@kernel.org> Message-Id: <dbab7bb656e42051b6f7866ab056b683d6bedd58.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:23 +0200 Date: Thu, 13 Sep 2018 13:30:23 +0200
Subject: [PATCH 006/327] ARM: configs: at91: use new TCB timer driver Subject: [PATCH 006/327] ARM: configs: at91: use new TCB timer driver
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Unselecting ATMEL_TCLIB switches the TCB timer driver from tcb_clksrc to Unselecting ATMEL_TCLIB switches the TCB timer driver from tcb_clksrc to
timer-atmel-tcb. timer-atmel-tcb.

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From f1aaef6e633365e7d9ab49f80ccac5bd16ae4fa1 Mon Sep 17 00:00:00 2001 From 9154d0d7c52c6357fc510b50289fc4613f0915fa Mon Sep 17 00:00:00 2001
Message-Id: <f1aaef6e633365e7d9ab49f80ccac5bd16ae4fa1.1588797587.git.zanussi@kernel.org> Message-Id: <9154d0d7c52c6357fc510b50289fc4613f0915fa.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Alexandre Belloni <alexandre.belloni@bootlin.com> From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:24 +0200 Date: Thu, 13 Sep 2018 13:30:24 +0200
Subject: [PATCH 007/327] ARM: configs: at91: unselect PIT Subject: [PATCH 007/327] ARM: configs: at91: unselect PIT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The PIT is not required anymore to successfully boot and may actually harm The PIT is not required anymore to successfully boot and may actually harm
in case preempt-rt is used because the PIT interrupt is shared. in case preempt-rt is used because the PIT interrupt is shared.

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From 9e80d0692dd5fa2ead7ea71292c9bcc52d4f41bc Mon Sep 17 00:00:00 2001 From 1ae7995f17f7d1635b4070389a1091a9444b19ac Mon Sep 17 00:00:00 2001
Message-Id: <9e80d0692dd5fa2ead7ea71292c9bcc52d4f41bc.1588797587.git.zanussi@kernel.org> Message-Id: <1ae7995f17f7d1635b4070389a1091a9444b19ac.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Marc Zyngier <marc.zyngier@arm.com> From: Marc Zyngier <marc.zyngier@arm.com>
Date: Fri, 27 Jul 2018 13:38:54 +0100 Date: Fri, 27 Jul 2018 13:38:54 +0100
Subject: [PATCH 008/327] irqchip/gic-v3-its: Move pending table allocation to Subject: [PATCH 008/327] irqchip/gic-v3-its: Move pending table allocation to
init time init time
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

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From 7d31f7cf7f58f99e34da1a431615e876dbca1918 Mon Sep 17 00:00:00 2001 From 57ff6e8d36212caf843344a17c6a1e8a1704d3b7 Mon Sep 17 00:00:00 2001
Message-Id: <7d31f7cf7f58f99e34da1a431615e876dbca1918.1588797587.git.zanussi@kernel.org> Message-Id: <57ff6e8d36212caf843344a17c6a1e8a1704d3b7.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Julia Cartwright <julia@ni.com> From: Julia Cartwright <julia@ni.com>
Date: Fri, 28 Sep 2018 21:03:51 +0000 Date: Fri, 28 Sep 2018 21:03:51 +0000
Subject: [PATCH 009/327] kthread: convert worker lock to raw spinlock Subject: [PATCH 009/327] kthread: convert worker lock to raw spinlock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
In order to enable the queuing of kthread work items from hardirq In order to enable the queuing of kthread work items from hardirq
context even when PREEMPT_RT_FULL is enabled, convert the worker context even when PREEMPT_RT_FULL is enabled, convert the worker

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From e3dad4d17535d9521beda4efbe2fc44795f67d7a Mon Sep 17 00:00:00 2001 From 48610c50b1eff4d562b785d41ad6baae1f9f311f Mon Sep 17 00:00:00 2001
Message-Id: <e3dad4d17535d9521beda4efbe2fc44795f67d7a.1588797587.git.zanussi@kernel.org> Message-Id: <48610c50b1eff4d562b785d41ad6baae1f9f311f.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com> From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
Date: Mon, 8 Oct 2018 14:09:37 +0300 Date: Mon, 8 Oct 2018 14:09:37 +0300
Subject: [PATCH 010/327] crypto: caam/qi - simplify CGR allocation, freeing Subject: [PATCH 010/327] crypto: caam/qi - simplify CGR allocation, freeing
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
[Upstream commit 29e83c757006fd751966bdc53392bb22d74179c6] [Upstream commit 29e83c757006fd751966bdc53392bb22d74179c6]

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From 448b243a1fb84f0081f5652354423456e2fc0373 Mon Sep 17 00:00:00 2001 From 6b25155aabb22bf66e94098b75e72bc8df337351 Mon Sep 17 00:00:00 2001
Message-Id: <448b243a1fb84f0081f5652354423456e2fc0373.1588797587.git.zanussi@kernel.org> Message-Id: <6b25155aabb22bf66e94098b75e72bc8df337351.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Peter Zijlstra <peterz@infradead.org> From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 7 Jan 2019 13:52:31 +0100 Date: Mon, 7 Jan 2019 13:52:31 +0100
Subject: [PATCH 011/327] sched/fair: Robustify CFS-bandwidth timer locking Subject: [PATCH 011/327] sched/fair: Robustify CFS-bandwidth timer locking
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Traditionally hrtimer callbacks were run with IRQs disabled, but with Traditionally hrtimer callbacks were run with IRQs disabled, but with
the introduction of HRTIMER_MODE_SOFT it is possible they run from the introduction of HRTIMER_MODE_SOFT it is possible they run from

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From 3564312da18561b00498caa06842ff388bbef279 Mon Sep 17 00:00:00 2001 From 404266779320e3b3e55c3f87b1f83e2e5ee671b8 Mon Sep 17 00:00:00 2001
Message-Id: <3564312da18561b00498caa06842ff388bbef279.1588797587.git.zanussi@kernel.org> Message-Id: <404266779320e3b3e55c3f87b1f83e2e5ee671b8.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Frank Rowand <frank.rowand@am.sony.com> From: Frank Rowand <frank.rowand@am.sony.com>
Date: Mon, 19 Sep 2011 14:51:14 -0700 Date: Mon, 19 Sep 2011 14:51:14 -0700
Subject: [PATCH 012/327] arm: Convert arm boot_lock to raw Subject: [PATCH 012/327] arm: Convert arm boot_lock to raw
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The arm boot_lock is used by the secondary processor startup code. The locking The arm boot_lock is used by the secondary processor startup code. The locking
task is the idle thread, which has idle->sched_class == &idle_sched_class. task is the idle thread, which has idle->sched_class == &idle_sched_class.

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From 79aa953ef9dcd175074ab38896df71155ca4fc42 Mon Sep 17 00:00:00 2001 From 963d7de788ad8f43cc5332a1921be8b5c205b36b Mon Sep 17 00:00:00 2001
Message-Id: <79aa953ef9dcd175074ab38896df71155ca4fc42.1588797587.git.zanussi@kernel.org> Message-Id: <963d7de788ad8f43cc5332a1921be8b5c205b36b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 17 Jul 2018 18:25:31 +0200 Date: Tue, 17 Jul 2018 18:25:31 +0200
Subject: [PATCH 013/327] x86/ioapic: Don't let setaffinity unmask threaded EOI Subject: [PATCH 013/327] x86/ioapic: Don't let setaffinity unmask threaded EOI
interrupt too early interrupt too early
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
There is an issue with threaded interrupts which are marked ONESHOT There is an issue with threaded interrupts which are marked ONESHOT
and using the fasteoi handler. and using the fasteoi handler.

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From 7de545a7d799671cc1910dae9275ce7c21e58da7 Mon Sep 17 00:00:00 2001 From d08761b3bc9c131e839d1ef186515fabf2f43812 Mon Sep 17 00:00:00 2001
Message-Id: <7de545a7d799671cc1910dae9275ce7c21e58da7.1588797587.git.zanussi@kernel.org> Message-Id: <d08761b3bc9c131e839d1ef186515fabf2f43812.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 3 Jul 2018 18:19:48 +0200 Date: Tue, 3 Jul 2018 18:19:48 +0200
Subject: [PATCH 014/327] cgroup: use irqsave in cgroup_rstat_flush_locked() Subject: [PATCH 014/327] cgroup: use irqsave in cgroup_rstat_flush_locked()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
All callers of cgroup_rstat_flush_locked() acquire cgroup_rstat_lock All callers of cgroup_rstat_flush_locked() acquire cgroup_rstat_lock
either with spin_lock_irq() or spin_lock_irqsave(). either with spin_lock_irq() or spin_lock_irqsave().

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From fff6de28ff6dd3522a77ca5c667d20bc9b2086d2 Mon Sep 17 00:00:00 2001 From 133c250518b207fed8973a6b6af5b60712bcc73a Mon Sep 17 00:00:00 2001
Message-Id: <fff6de28ff6dd3522a77ca5c667d20bc9b2086d2.1588797587.git.zanussi@kernel.org> Message-Id: <133c250518b207fed8973a6b6af5b60712bcc73a.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Clark Williams <williams@redhat.com> From: Clark Williams <williams@redhat.com>
Date: Tue, 3 Jul 2018 13:34:30 -0500 Date: Tue, 3 Jul 2018 13:34:30 -0500
Subject: [PATCH 015/327] fscache: initialize cookie hash table raw spinlocks Subject: [PATCH 015/327] fscache: initialize cookie hash table raw spinlocks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The fscache cookie mechanism uses a hash table of hlist_bl_head structures. The The fscache cookie mechanism uses a hash table of hlist_bl_head structures. The
PREEMPT_RT patcheset adds a raw spinlock to this structure and so on PREEMPT_RT PREEMPT_RT patcheset adds a raw spinlock to this structure and so on PREEMPT_RT

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From 7b406e85875d67693cecc7cfe09a5e7180af01a5 Mon Sep 17 00:00:00 2001 From d6e772d4b5a7e8136969acc1fdd0fa85b000fe12 Mon Sep 17 00:00:00 2001
Message-Id: <7b406e85875d67693cecc7cfe09a5e7180af01a5.1588797587.git.zanussi@kernel.org> Message-Id: <d6e772d4b5a7e8136969acc1fdd0fa85b000fe12.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 29 Aug 2018 21:59:04 +0200 Date: Wed, 29 Aug 2018 21:59:04 +0200
Subject: [PATCH 016/327] Drivers: hv: vmbus: include header for get_irq_regs() Subject: [PATCH 016/327] Drivers: hv: vmbus: include header for get_irq_regs()
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
On !RT the header file get_irq_regs() gets pulled in via other header files. On On !RT the header file get_irq_regs() gets pulled in via other header files. On
RT it does not and the build fails: RT it does not and the build fails:

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From 70614aac8907a90efde502dd5bf9e7916c26afb6 Mon Sep 17 00:00:00 2001 From a7569b22f3f504f5437cf35486d263269e69fe82 Mon Sep 17 00:00:00 2001
Message-Id: <70614aac8907a90efde502dd5bf9e7916c26afb6.1588797587.git.zanussi@kernel.org> Message-Id: <a7569b22f3f504f5437cf35486d263269e69fe82.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 11 Oct 2018 16:39:59 +0200 Date: Thu, 11 Oct 2018 16:39:59 +0200
Subject: [PATCH 017/327] percpu: include irqflags.h for raw_local_irq_save() Subject: [PATCH 017/327] percpu: include irqflags.h for raw_local_irq_save()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The header percpu.h header file is using raw_local_irq_save() but does The header percpu.h header file is using raw_local_irq_save() but does
not include irqflags.h for its definition. It compiles because the not include irqflags.h for its definition. It compiles because the

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From fbe5b00e47354c46adcab1cf9e19a9df96d60e8b Mon Sep 17 00:00:00 2001 From 1687401d2d9cf76ef1bc95b39c9436df2b1dc5cb Mon Sep 17 00:00:00 2001
Message-Id: <fbe5b00e47354c46adcab1cf9e19a9df96d60e8b.1588797587.git.zanussi@kernel.org> Message-Id: <1687401d2d9cf76ef1bc95b39c9436df2b1dc5cb.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 15:06:10 +0200 Date: Thu, 26 Jul 2018 15:06:10 +0200
Subject: [PATCH 018/327] efi: Allow efi=runtime Subject: [PATCH 018/327] efi: Allow efi=runtime
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
In case the option "efi=noruntime" is default at built-time, the user In case the option "efi=noruntime" is default at built-time, the user
could overwrite its sate by `efi=runtime' and allow it again. could overwrite its sate by `efi=runtime' and allow it again.

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From 065037d4d75ed96573ea0c6343fe85f0dc2f83ff Mon Sep 17 00:00:00 2001 From 6f9e192258cc14e3ad3b988e93f3557e222a56fd Mon Sep 17 00:00:00 2001
Message-Id: <065037d4d75ed96573ea0c6343fe85f0dc2f83ff.1588797587.git.zanussi@kernel.org> Message-Id: <6f9e192258cc14e3ad3b988e93f3557e222a56fd.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 24 Jul 2018 14:48:55 +0200 Date: Tue, 24 Jul 2018 14:48:55 +0200
Subject: [PATCH 019/327] x86/efi: drop task_lock() from efi_switch_mm() Subject: [PATCH 019/327] x86/efi: drop task_lock() from efi_switch_mm()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
efi_switch_mm() is a wrapper around switch_mm() which saves current's efi_switch_mm() is a wrapper around switch_mm() which saves current's
->active_mm, sets the requests mm as ->active_mm and invokes ->active_mm, sets the requests mm as ->active_mm and invokes

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From 2e4aceaf2bdbd76b1fc8ed5629d29734eb3ca502 Mon Sep 17 00:00:00 2001 From 1558047d61e27b21f0d85ed68cfaf00ee2fcd9f8 Mon Sep 17 00:00:00 2001
Message-Id: <2e4aceaf2bdbd76b1fc8ed5629d29734eb3ca502.1588797587.git.zanussi@kernel.org> Message-Id: <1558047d61e27b21f0d85ed68cfaf00ee2fcd9f8.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 09:13:42 +0200 Date: Thu, 26 Jul 2018 09:13:42 +0200
Subject: [PATCH 020/327] arm64: KVM: compute_layout before altenates are Subject: [PATCH 020/327] arm64: KVM: compute_layout before altenates are
applied applied
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
compute_layout() is invoked as part of an alternative fixup under compute_layout() is invoked as part of an alternative fixup under
stop_machine() and needs a sleeping lock as part of get_random_long(). stop_machine() and needs a sleeping lock as part of get_random_long().

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From 09e6d3bbfa22914d304001c21b15f919b330c8d7 Mon Sep 17 00:00:00 2001 From 1db75db4b2bf05b9e72d82a8c67014c5ebe68277 Mon Sep 17 00:00:00 2001
Message-Id: <09e6d3bbfa22914d304001c21b15f919b330c8d7.1588797587.git.zanussi@kernel.org> Message-Id: <1db75db4b2bf05b9e72d82a8c67014c5ebe68277.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 31 Aug 2018 14:16:30 +0200 Date: Fri, 31 Aug 2018 14:16:30 +0200
Subject: [PATCH 021/327] of: allocate / free phandle cache outside of the Subject: [PATCH 021/327] of: allocate / free phandle cache outside of the
devtree_lock devtree_lock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The phandle cache code allocates memory while holding devtree_lock which The phandle cache code allocates memory while holding devtree_lock which
is a raw_spinlock_t. Memory allocation (and free()) is not possible on is a raw_spinlock_t. Memory allocation (and free()) is not possible on

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From fbfa89ba167f66519adf09c37d8ba7972cd38e8b Mon Sep 17 00:00:00 2001 From d48a743e6790c2b04b2aded80a118472a82252e8 Mon Sep 17 00:00:00 2001
Message-Id: <fbfa89ba167f66519adf09c37d8ba7972cd38e8b.1588797587.git.zanussi@kernel.org> Message-Id: <d48a743e6790c2b04b2aded80a118472a82252e8.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Clark Williams <williams@redhat.com> From: Clark Williams <williams@redhat.com>
Date: Tue, 18 Sep 2018 10:29:31 -0500 Date: Tue, 18 Sep 2018 10:29:31 -0500
Subject: [PATCH 022/327] mm/kasan: make quarantine_lock a raw_spinlock_t Subject: [PATCH 022/327] mm/kasan: make quarantine_lock a raw_spinlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The static lock quarantine_lock is used in quarantine.c to protect the The static lock quarantine_lock is used in quarantine.c to protect the
quarantine queue datastructures. It is taken inside quarantine queue quarantine queue datastructures. It is taken inside quarantine queue

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From f923443ca5a98d8b3208d3f04dca281fea90524d Mon Sep 17 00:00:00 2001 From 90ec710ee45bcaa48b73ef6865fbfd5d6aaffcc4 Mon Sep 17 00:00:00 2001
Message-Id: <f923443ca5a98d8b3208d3f04dca281fea90524d.1588797587.git.zanussi@kernel.org> Message-Id: <90ec710ee45bcaa48b73ef6865fbfd5d6aaffcc4.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: "Paul E. McKenney" <paulmck@linux.ibm.com> From: "Paul E. McKenney" <paulmck@linux.ibm.com>
Date: Mon, 29 Oct 2018 11:53:01 +0100 Date: Mon, 29 Oct 2018 11:53:01 +0100
Subject: [PATCH 023/327] EXP rcu: Revert expedited GP parallelization Subject: [PATCH 023/327] EXP rcu: Revert expedited GP parallelization
cleverness cleverness
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
(Commit 258ba8e089db23f760139266c232f01bad73f85c from linux-rcu) (Commit 258ba8e089db23f760139266c232f01bad73f85c from linux-rcu)

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From 5ffb480060a6dfc773ccd3696324297c8754242d Mon Sep 17 00:00:00 2001 From a2642ecac08a5ee9ac4ea60bed4017aee8b24311 Mon Sep 17 00:00:00 2001
Message-Id: <5ffb480060a6dfc773ccd3696324297c8754242d.1588797587.git.zanussi@kernel.org> Message-Id: <a2642ecac08a5ee9ac4ea60bed4017aee8b24311.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: He Zhe <zhe.he@windriver.com> From: He Zhe <zhe.he@windriver.com>
Date: Wed, 19 Dec 2018 16:30:57 +0100 Date: Wed, 19 Dec 2018 16:30:57 +0100
Subject: [PATCH 024/327] kmemleak: Turn kmemleak_lock to raw spinlock on RT Subject: [PATCH 024/327] kmemleak: Turn kmemleak_lock to raw spinlock on RT
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
kmemleak_lock, as a rwlock on RT, can possibly be held in atomic context and kmemleak_lock, as a rwlock on RT, can possibly be held in atomic context and
causes the follow BUG. causes the follow BUG.

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From e8b73ba5194e2f3d7d57b665986c8a09406d4483 Mon Sep 17 00:00:00 2001 From 20a77d5d5ac10b654a565988835117a28aeb0af1 Mon Sep 17 00:00:00 2001
Message-Id: <e8b73ba5194e2f3d7d57b665986c8a09406d4483.1588797587.git.zanussi@kernel.org> Message-Id: <20a77d5d5ac10b654a565988835117a28aeb0af1.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 28 Oct 2016 23:05:11 +0200 Date: Fri, 28 Oct 2016 23:05:11 +0200
Subject: [PATCH 025/327] NFSv4: replace seqcount_t with a seqlock_t Subject: [PATCH 025/327] NFSv4: replace seqcount_t with a seqlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The raw_write_seqcount_begin() in nfs4_reclaim_open_state() bugs me The raw_write_seqcount_begin() in nfs4_reclaim_open_state() bugs me
because it maps to preempt_disable() in -RT which I can't have at this because it maps to preempt_disable() in -RT which I can't have at this

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@ -1,7 +1,7 @@
From c09d1e32b858b93d1a3412ca593e4b2f59218148 Mon Sep 17 00:00:00 2001 From c440d254bb20fa3d293214b24f7ec84e751996e5 Mon Sep 17 00:00:00 2001
Message-Id: <c09d1e32b858b93d1a3412ca593e4b2f59218148.1588797587.git.zanussi@kernel.org> Message-Id: <c440d254bb20fa3d293214b24f7ec84e751996e5.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 4 Apr 2017 12:50:16 +0200 Date: Tue, 4 Apr 2017 12:50:16 +0200
Subject: [PATCH 026/327] kernel: sched: Provide a pointer to the valid CPU Subject: [PATCH 026/327] kernel: sched: Provide a pointer to the valid CPU
@ -9,7 +9,7 @@ Subject: [PATCH 026/327] kernel: sched: Provide a pointer to the valid CPU
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
In commit 4b53a3412d66 ("sched/core: Remove the tsk_nr_cpus_allowed() In commit 4b53a3412d66 ("sched/core: Remove the tsk_nr_cpus_allowed()
wrapper") the tsk_nr_cpus_allowed() wrapper was removed. There was not wrapper") the tsk_nr_cpus_allowed() wrapper was removed. There was not

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From 139cf7b485c546a3ebe3564e6c1cc1836a992210 Mon Sep 17 00:00:00 2001 From 478a0edd893bd9a88dba5a9c184b1e05cde79f97 Mon Sep 17 00:00:00 2001
Message-Id: <139cf7b485c546a3ebe3564e6c1cc1836a992210.1588797587.git.zanussi@kernel.org> Message-Id: <478a0edd893bd9a88dba5a9c184b1e05cde79f97.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200 Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 027/327] kernel/sched/core: add migrate_disable() Subject: [PATCH 027/327] kernel/sched/core: add migrate_disable()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
--- ---
include/linux/preempt.h | 23 +++++++ include/linux/preempt.h | 23 +++++++

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From 925eb3a76af6bf2409e1a698a16fd635649510fb Mon Sep 17 00:00:00 2001 From 1e2b24fdfb06ea49b4b86e3e09ff185a298ece74 Mon Sep 17 00:00:00 2001
Message-Id: <925eb3a76af6bf2409e1a698a16fd635649510fb.1588797587.git.zanussi@kernel.org> Message-Id: <1e2b24fdfb06ea49b4b86e3e09ff185a298ece74.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 9 Oct 2018 17:34:50 +0200 Date: Tue, 9 Oct 2018 17:34:50 +0200
Subject: [PATCH 028/327] sched/migrate_disable: Add export_symbol_gpl for Subject: [PATCH 028/327] sched/migrate_disable: Add export_symbol_gpl for
__migrate_disabled __migrate_disabled
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Jonathan reported that lttng/modules can't use __migrate_disabled(). Jonathan reported that lttng/modules can't use __migrate_disabled().
This function is only used by sched/core itself and the tracing This function is only used by sched/core itself and the tracing

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From a9060ecc13b1730d842179e1e994baef67a67ad9 Mon Sep 17 00:00:00 2001 From 948aa294f96cc352c3ad40f35e68c281e56477c5 Mon Sep 17 00:00:00 2001
Message-Id: <a9060ecc13b1730d842179e1e994baef67a67ad9.1588797587.git.zanussi@kernel.org> Message-Id: <948aa294f96cc352c3ad40f35e68c281e56477c5.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 9 Mar 2016 10:51:06 +0100 Date: Wed, 9 Mar 2016 10:51:06 +0100
Subject: [PATCH 029/327] arm: at91: do not disable/enable clocks in a row Subject: [PATCH 029/327] arm: at91: do not disable/enable clocks in a row
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Currently the driver will disable the clock and enable it one line later Currently the driver will disable the clock and enable it one line later
if it is switching from periodic mode into one shot. if it is switching from periodic mode into one shot.

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From 157c4da19a2359aa5f6ad7be90cf289ec0b0563d Mon Sep 17 00:00:00 2001 From f5979da3eb2684a8d5e90c62b35496090139a187 Mon Sep 17 00:00:00 2001
Message-Id: <157c4da19a2359aa5f6ad7be90cf289ec0b0563d.1588797587.git.zanussi@kernel.org> Message-Id: <f5979da3eb2684a8d5e90c62b35496090139a187.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Benedikt Spranger <b.spranger@linutronix.de> From: Benedikt Spranger <b.spranger@linutronix.de>
Date: Mon, 8 Mar 2010 18:57:04 +0100 Date: Mon, 8 Mar 2010 18:57:04 +0100
Subject: [PATCH 030/327] clocksource: TCLIB: Allow higher clock rates for Subject: [PATCH 030/327] clocksource: TCLIB: Allow higher clock rates for
@ -9,7 +9,7 @@ Subject: [PATCH 030/327] clocksource: TCLIB: Allow higher clock rates for
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
As default the TCLIB uses the 32KiHz base clock rate for clock events. As default the TCLIB uses the 32KiHz base clock rate for clock events.
Add a compile time selection to allow higher clock resulution. Add a compile time selection to allow higher clock resulution.

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From 30643112afa23900442cbdd3189874c02bc5a091 Mon Sep 17 00:00:00 2001 From bb11ff748a6fc0e34d9ef98873b5d41c2a02fe49 Mon Sep 17 00:00:00 2001
Message-Id: <30643112afa23900442cbdd3189874c02bc5a091.1588797587.git.zanussi@kernel.org> Message-Id: <bb11ff748a6fc0e34d9ef98873b5d41c2a02fe49.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 14 Feb 2013 22:36:59 +0100 Date: Thu, 14 Feb 2013 22:36:59 +0100
Subject: [PATCH 031/327] timekeeping: Split jiffies seqlock Subject: [PATCH 031/327] timekeeping: Split jiffies seqlock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so
it can be taken in atomic context on RT. it can be taken in atomic context on RT.

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From cbd9fb5407709f0ec74da747ae0c536695fd99d2 Mon Sep 17 00:00:00 2001 From b73180a75e9c692a7b8fb11703db34fce450aea5 Mon Sep 17 00:00:00 2001
Message-Id: <cbd9fb5407709f0ec74da747ae0c536695fd99d2.1588797587.git.zanussi@kernel.org> Message-Id: <b73180a75e9c692a7b8fb11703db34fce450aea5.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 21 Sep 2011 19:57:12 +0200 Date: Wed, 21 Sep 2011 19:57:12 +0200
Subject: [PATCH 032/327] signal: Revert ptrace preempt magic Subject: [PATCH 032/327] signal: Revert ptrace preempt magic
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Upstream commit '53da1d9456fe7f8 fix ptrace slowness' is nothing more Upstream commit '53da1d9456fe7f8 fix ptrace slowness' is nothing more
than a bandaid around the ptrace design trainwreck. It's not a than a bandaid around the ptrace design trainwreck. It's not a

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From 5f7256f96320961ff13d7850dced5905b034b306 Mon Sep 17 00:00:00 2001 From 42aa735468326ce67ba5401ecf20d408df54b572 Mon Sep 17 00:00:00 2001
Message-Id: <5f7256f96320961ff13d7850dced5905b034b306.1588797587.git.zanussi@kernel.org> Message-Id: <42aa735468326ce67ba5401ecf20d408df54b572.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Marc Kleine-Budde <mkl@pengutronix.de> From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Wed, 5 Mar 2014 00:49:47 +0100 Date: Wed, 5 Mar 2014 00:49:47 +0100
Subject: [PATCH 033/327] net: sched: Use msleep() instead of yield() Subject: [PATCH 033/327] net: sched: Use msleep() instead of yield()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50 On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50
(by default). If a high priority userspace process tries to shut down a busy (by default). If a high priority userspace process tries to shut down a busy

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From 68e48cddc25a2a910412069ffba3ad451852aff9 Mon Sep 17 00:00:00 2001 From ebb8984e99bee2c99680926ef817db3c129f91da Mon Sep 17 00:00:00 2001
Message-Id: <68e48cddc25a2a910412069ffba3ad451852aff9.1588797587.git.zanussi@kernel.org> Message-Id: <ebb8984e99bee2c99680926ef817db3c129f91da.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 27 Mar 2018 16:24:15 +0200 Date: Tue, 27 Mar 2018 16:24:15 +0200
Subject: [PATCH 034/327] dm rq: remove BUG_ON(!irqs_disabled) check Subject: [PATCH 034/327] dm rq: remove BUG_ON(!irqs_disabled) check
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
In commit 052189a2ec95 ("dm: remove superfluous irq disablement in In commit 052189a2ec95 ("dm: remove superfluous irq disablement in
dm_request_fn") the spin_lock_irq() was replaced with spin_lock() + a dm_request_fn") the spin_lock_irq() was replaced with spin_lock() + a

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From 05fc669340e52618fc81f50128bff56b69e76cee Mon Sep 17 00:00:00 2001 From a8d9dfb357e884ef3275e7062783f015f53565d0 Mon Sep 17 00:00:00 2001
Message-Id: <05fc669340e52618fc81f50128bff56b69e76cee.1588797587.git.zanussi@kernel.org> Message-Id: <a8d9dfb357e884ef3275e7062783f015f53565d0.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 8 Nov 2013 17:34:54 +0100 Date: Fri, 8 Nov 2013 17:34:54 +0100
Subject: [PATCH 035/327] usb: do no disable interrupts in giveback Subject: [PATCH 035/327] usb: do no disable interrupts in giveback
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet
context") the USB code disables interrupts before invoking the complete context") the USB code disables interrupts before invoking the complete

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From 6871a9d9f0f9fb7c1d05fb7a784fa22ea1d4ad79 Mon Sep 17 00:00:00 2001 From 18d84e2e4e3fe6697f24db1b3b71f5d5d66cba83 Mon Sep 17 00:00:00 2001
Message-Id: <6871a9d9f0f9fb7c1d05fb7a784fa22ea1d4ad79.1588797587.git.zanussi@kernel.org> Message-Id: <18d84e2e4e3fe6697f24db1b3b71f5d5d66cba83.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Jun 2011 12:39:57 +0200 Date: Fri, 17 Jun 2011 12:39:57 +0200
Subject: [PATCH 036/327] rt: Provide PREEMPT_RT_BASE config switch Subject: [PATCH 036/327] rt: Provide PREEMPT_RT_BASE config switch
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Introduce PREEMPT_RT_BASE which enables parts of Introduce PREEMPT_RT_BASE which enables parts of
PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT

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From 5c4696b4c4304ab06f88521a00124ea89c54c232 Mon Sep 17 00:00:00 2001 From c3a80fee57f43808e1308ad27b6dd334ace98e2b Mon Sep 17 00:00:00 2001
Message-Id: <5c4696b4c4304ab06f88521a00124ea89c54c232.1588797587.git.zanussi@kernel.org> Message-Id: <c3a80fee57f43808e1308ad27b6dd334ace98e2b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 14 Dec 2011 01:03:49 +0100 Date: Wed, 14 Dec 2011 01:03:49 +0100
Subject: [PATCH 037/327] cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT Subject: [PATCH 037/327] cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
There are "valid" GFP_ATOMIC allocations such as There are "valid" GFP_ATOMIC allocations such as

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From 4f16dc1b3805c09027ea0a66cb4ce5b1c8728857 Mon Sep 17 00:00:00 2001 From e78cbc1a8d62397f7983179aa9ab1dda8b44c6b3 Mon Sep 17 00:00:00 2001
Message-Id: <4f16dc1b3805c09027ea0a66cb4ce5b1c8728857.1588797587.git.zanussi@kernel.org> Message-Id: <e78cbc1a8d62397f7983179aa9ab1dda8b44c6b3.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 8 Jul 2015 17:14:48 +0200 Date: Wed, 8 Jul 2015 17:14:48 +0200
Subject: [PATCH 038/327] jump-label: disable if stop_machine() is used Subject: [PATCH 038/327] jump-label: disable if stop_machine() is used
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Some architectures are using stop_machine() while switching the opcode which Some architectures are using stop_machine() while switching the opcode which
leads to latency spikes. leads to latency spikes.

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From ebaffcc127b4f2a3a4e8292068d75a6d4d86a4be Mon Sep 17 00:00:00 2001 From 7f3631443b247633a6ad805dcc6c602975362f79 Mon Sep 17 00:00:00 2001
Message-Id: <ebaffcc127b4f2a3a4e8292068d75a6d4d86a4be.1588797587.git.zanussi@kernel.org> Message-Id: <7f3631443b247633a6ad805dcc6c602975362f79.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 24 Jul 2011 12:11:43 +0200 Date: Sun, 24 Jul 2011 12:11:43 +0200
Subject: [PATCH 039/327] kconfig: Disable config options which are not RT Subject: [PATCH 039/327] kconfig: Disable config options which are not RT
compatible compatible
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Disable stuff which is known to have issues on RT Disable stuff which is known to have issues on RT

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From c259ffabcd899b0caa72863f57ac9b48523af9e7 Mon Sep 17 00:00:00 2001 From 310b37d29f13519e002722ddf05335d39b763f1c Mon Sep 17 00:00:00 2001
Message-Id: <c259ffabcd899b0caa72863f57ac9b48523af9e7.1588797587.git.zanussi@kernel.org> Message-Id: <310b37d29f13519e002722ddf05335d39b763f1c.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 17 Oct 2017 16:36:18 +0200 Date: Tue, 17 Oct 2017 16:36:18 +0200
Subject: [PATCH 040/327] lockdep: disable self-test Subject: [PATCH 040/327] lockdep: disable self-test
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The self-test wasn't always 100% accurate for RT. We disabled a few The self-test wasn't always 100% accurate for RT. We disabled a few
tests which failed because they had a different semantic for RT. Some tests which failed because they had a different semantic for RT. Some

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From a344e0d75f6f733c2febd47922a980dd114b6e8c Mon Sep 17 00:00:00 2001 From b2dedc8d0f5404d57c89027effe1b8b96348c29a Mon Sep 17 00:00:00 2001
Message-Id: <a344e0d75f6f733c2febd47922a980dd114b6e8c.1588797587.git.zanussi@kernel.org> Message-Id: <b2dedc8d0f5404d57c89027effe1b8b96348c29a.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:44:03 -0500 Date: Fri, 3 Jul 2009 08:44:03 -0500
Subject: [PATCH 041/327] mm: Allow only slub on RT Subject: [PATCH 041/327] mm: Allow only slub on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs. Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs.

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From 73b8f03591c067230e953f05175d3218bf8286d4 Mon Sep 17 00:00:00 2001 From a647dc8ee4cd8e98063ad658821a7b8a3bb1b200 Mon Sep 17 00:00:00 2001
Message-Id: <73b8f03591c067230e953f05175d3218bf8286d4.1588797587.git.zanussi@kernel.org> Message-Id: <a647dc8ee4cd8e98063ad658821a7b8a3bb1b200.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:51:45 +0200 Date: Sun, 17 Jul 2011 21:51:45 +0200
Subject: [PATCH 042/327] locking: Disable spin on owner for RT Subject: [PATCH 042/327] locking: Disable spin on owner for RT
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Drop spin on owner for mutex / rwsem. We are most likely not using it Drop spin on owner for mutex / rwsem. We are most likely not using it
but… but…

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From 80720135f27a7e65bcdf6e6d8ba6b7aaf92d6f79 Mon Sep 17 00:00:00 2001 From ff9a18b1372ece9b57258b3fbef3fa9d41f92176 Mon Sep 17 00:00:00 2001
Message-Id: <80720135f27a7e65bcdf6e6d8ba6b7aaf92d6f79.1588797587.git.zanussi@kernel.org> Message-Id: <ff9a18b1372ece9b57258b3fbef3fa9d41f92176.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 28 Oct 2012 13:26:09 +0000 Date: Sun, 28 Oct 2012 13:26:09 +0000
Subject: [PATCH 043/327] rcu: Disable RCU_FAST_NO_HZ on RT Subject: [PATCH 043/327] rcu: Disable RCU_FAST_NO_HZ on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
This uses a timer_list timer from the irq disabled guts of the idle This uses a timer_list timer from the irq disabled guts of the idle
code. Disable it for now to prevent wreckage. code. Disable it for now to prevent wreckage.

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From fda6ef2c4bdaedc6cbe018bcfc61ad84d7e94e1e Mon Sep 17 00:00:00 2001 From e59c75bdefea320550c0b6e2894ea07404710779 Mon Sep 17 00:00:00 2001
Message-Id: <fda6ef2c4bdaedc6cbe018bcfc61ad84d7e94e1e.1588797587.git.zanussi@kernel.org> Message-Id: <e59c75bdefea320550c0b6e2894ea07404710779.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 21 Mar 2014 20:19:05 +0100 Date: Fri, 21 Mar 2014 20:19:05 +0100
Subject: [PATCH 044/327] rcu: make RCU_BOOST default on RT Subject: [PATCH 044/327] rcu: make RCU_BOOST default on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Since it is no longer invoked from the softirq people run into OOM more Since it is no longer invoked from the softirq people run into OOM more
often if the priority of the RCU thread is too low. Making boosting often if the priority of the RCU thread is too low. Making boosting

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From c628b5bf1ee888f471438a80954d50813a981cb1 Mon Sep 17 00:00:00 2001 From 070e82edd6b754089e847b8055bf7b81f3a84509 Mon Sep 17 00:00:00 2001
Message-Id: <c628b5bf1ee888f471438a80954d50813a981cb1.1588797587.git.zanussi@kernel.org> Message-Id: <070e82edd6b754089e847b8055bf7b81f3a84509.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:03:52 +0200 Date: Mon, 18 Jul 2011 17:03:52 +0200
Subject: [PATCH 045/327] sched: Disable CONFIG_RT_GROUP_SCHED on RT Subject: [PATCH 045/327] sched: Disable CONFIG_RT_GROUP_SCHED on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Carsten reported problems when running: Carsten reported problems when running:

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From c01244956b4f87fb0eb7384e9f803b2792f456fe Mon Sep 17 00:00:00 2001 From 0bc8851b10d0cacf55d80a873579f56adeeb7f46 Mon Sep 17 00:00:00 2001
Message-Id: <c01244956b4f87fb0eb7384e9f803b2792f456fe.1588797587.git.zanussi@kernel.org> Message-Id: <0bc8851b10d0cacf55d80a873579f56adeeb7f46.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200 Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 046/327] net/core: disable NET_RX_BUSY_POLL Subject: [PATCH 046/327] net/core: disable NET_RX_BUSY_POLL
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
sk_busy_loop() does preempt_disable() followed by a few operations which can sk_busy_loop() does preempt_disable() followed by a few operations which can
take sleeping locks and may get long. take sleeping locks and may get long.

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From 2380b2865c54f45e1a90d477ca35585171673264 Mon Sep 17 00:00:00 2001 From b143a53bf840ab206ea9ecb9c878b2f7d6d4a794 Mon Sep 17 00:00:00 2001
Message-Id: <2380b2865c54f45e1a90d477ca35585171673264.1588797587.git.zanussi@kernel.org> Message-Id: <b143a53bf840ab206ea9ecb9c878b2f7d6d4a794.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Dec 2017 10:42:03 +0100 Date: Fri, 1 Dec 2017 10:42:03 +0100
Subject: [PATCH 047/327] arm*: disable NEON in kernel mode Subject: [PATCH 047/327] arm*: disable NEON in kernel mode
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
NEON in kernel mode is used by the crypto algorithms and raid6 code. NEON in kernel mode is used by the crypto algorithms and raid6 code.
While the raid6 code looks okay, the crypto algorithms do not: NEON While the raid6 code looks okay, the crypto algorithms do not: NEON

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From 54d3f6184f43d8339af4d52ce2945810f8378a00 Mon Sep 17 00:00:00 2001 From 42399a14ed658b9c71ed3ebb65611fa610dbdbb4 Mon Sep 17 00:00:00 2001
Message-Id: <54d3f6184f43d8339af4d52ce2945810f8378a00.1588797587.git.zanussi@kernel.org> Message-Id: <42399a14ed658b9c71ed3ebb65611fa610dbdbb4.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200 Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: [PATCH 048/327] powerpc: Use generic rwsem on RT Subject: [PATCH 048/327] powerpc: Use generic rwsem on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Use generic code which uses rtmutex Use generic code which uses rtmutex

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From 380f81e47f4aa5c13aba9365a4653ada7a863f93 Mon Sep 17 00:00:00 2001 From a8e752a32eca81f368f6310b6773d1a065261602 Mon Sep 17 00:00:00 2001
Message-Id: <380f81e47f4aa5c13aba9365a4653ada7a863f93.1588797587.git.zanussi@kernel.org> Message-Id: <a8e752a32eca81f368f6310b6773d1a065261602.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Bogdan Purcareata <bogdan.purcareata@freescale.com> From: Bogdan Purcareata <bogdan.purcareata@freescale.com>
Date: Fri, 24 Apr 2015 15:53:13 +0000 Date: Fri, 24 Apr 2015 15:53:13 +0000
Subject: [PATCH 049/327] powerpc/kvm: Disable in-kernel MPIC emulation for Subject: [PATCH 049/327] powerpc/kvm: Disable in-kernel MPIC emulation for
PREEMPT_RT_FULL PREEMPT_RT_FULL
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
While converting the openpic emulation code to use a raw_spinlock_t enables While converting the openpic emulation code to use a raw_spinlock_t enables
guests to run on RT, there's still a performance issue. For interrupts sent in guests to run on RT, there's still a performance issue. For interrupts sent in

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From a87a0a78e22ce91976f859d6674bb3e78e304c92 Mon Sep 17 00:00:00 2001 From 167f4d2530f40f270c7e70ba2b7be61f74976957 Mon Sep 17 00:00:00 2001
Message-Id: <a87a0a78e22ce91976f859d6674bb3e78e304c92.1588797587.git.zanussi@kernel.org> Message-Id: <167f4d2530f40f270c7e70ba2b7be61f74976957.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:08:34 +0200 Date: Mon, 18 Jul 2011 17:08:34 +0200
Subject: [PATCH 050/327] powerpc: Disable highmem on RT Subject: [PATCH 050/327] powerpc: Disable highmem on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The current highmem handling on -RT is not compatible and needs fixups. The current highmem handling on -RT is not compatible and needs fixups.

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From 8bb6a4ae52df124954ab3ae4a3f48237a5bc1d69 Mon Sep 17 00:00:00 2001 From 1dc7f900c6d3b7d90320643829fd8b7ab4e8bd37 Mon Sep 17 00:00:00 2001
Message-Id: <8bb6a4ae52df124954ab3ae4a3f48237a5bc1d69.1588797587.git.zanussi@kernel.org> Message-Id: <1dc7f900c6d3b7d90320643829fd8b7ab4e8bd37.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:10:12 +0200 Date: Mon, 18 Jul 2011 17:10:12 +0200
Subject: [PATCH 051/327] mips: Disable highmem on RT Subject: [PATCH 051/327] mips: Disable highmem on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The current highmem handling on -RT is not compatible and needs fixups. The current highmem handling on -RT is not compatible and needs fixups.

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From 5911e094e0d179e9838030f203dafcb32426c5e9 Mon Sep 17 00:00:00 2001 From 57c434a742802b917adb2b24b7be6ea2fed8bed5 Mon Sep 17 00:00:00 2001
Message-Id: <5911e094e0d179e9838030f203dafcb32426c5e9.1588797587.git.zanussi@kernel.org> Message-Id: <57c434a742802b917adb2b24b7be6ea2fed8bed5.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200 Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: [PATCH 052/327] x86: Use generic rwsem_spinlocks on -rt Subject: [PATCH 052/327] x86: Use generic rwsem_spinlocks on -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Simplifies the separation of anon_rw_semaphores and rw_semaphores for Simplifies the separation of anon_rw_semaphores and rw_semaphores for
-rt. -rt.

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From 460db135f97d9a70b2816dd9f144f3f2c35ff377 Mon Sep 17 00:00:00 2001 From a2821c225889984e47e9d362bd8f209f24676b0e Mon Sep 17 00:00:00 2001
Message-Id: <460db135f97d9a70b2816dd9f144f3f2c35ff377.1588797587.git.zanussi@kernel.org> Message-Id: <a2821c225889984e47e9d362bd8f209f24676b0e.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 23 Jan 2014 14:45:59 +0100 Date: Thu, 23 Jan 2014 14:45:59 +0100
Subject: [PATCH 053/327] leds: trigger: disable CPU trigger on -RT Subject: [PATCH 053/327] leds: trigger: disable CPU trigger on -RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
as it triggers: as it triggers:
|CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141 |CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141

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From a93d761262d0879d910b5f5ce26647629208377c Mon Sep 17 00:00:00 2001 From 744458e6f2c0b9a78d6beca68296280083dab626 Mon Sep 17 00:00:00 2001
Message-Id: <a93d761262d0879d910b5f5ce26647629208377c.1588797587.git.zanussi@kernel.org> Message-Id: <744458e6f2c0b9a78d6beca68296280083dab626.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 9 Apr 2015 15:23:01 +0200 Date: Thu, 9 Apr 2015 15:23:01 +0200
Subject: [PATCH 054/327] cpufreq: drop K8's driver from beeing selected Subject: [PATCH 054/327] cpufreq: drop K8's driver from beeing selected
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Ralf posted a picture of a backtrace from Ralf posted a picture of a backtrace from

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From 4577b0695f66714783f37d0405ab0c346b454932 Mon Sep 17 00:00:00 2001 From 99ec29dde2efbd67eba447615b20f6419f10d75f Mon Sep 17 00:00:00 2001
Message-Id: <4577b0695f66714783f37d0405ab0c346b454932.1588797587.git.zanussi@kernel.org> Message-Id: <99ec29dde2efbd67eba447615b20f6419f10d75f.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 29 Aug 2013 11:48:57 +0200 Date: Thu, 29 Aug 2013 11:48:57 +0200
Subject: [PATCH 055/327] md: disable bcache Subject: [PATCH 055/327] md: disable bcache
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
It uses anon semaphores It uses anon semaphores
|drivers/md/bcache/request.c: In function cached_dev_write_complete: |drivers/md/bcache/request.c: In function cached_dev_write_complete:

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From c62d404a7168f5f8a35b729d4d9c2dd239749d77 Mon Sep 17 00:00:00 2001 From a50bf762b1437509176fa702d694be0540874d32 Mon Sep 17 00:00:00 2001
Message-Id: <c62d404a7168f5f8a35b729d4d9c2dd239749d77.1588797587.git.zanussi@kernel.org> Message-Id: <a50bf762b1437509176fa702d694be0540874d32.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 15:03:16 +0200 Date: Thu, 26 Jul 2018 15:03:16 +0200
Subject: [PATCH 056/327] efi: Disable runtime services on RT Subject: [PATCH 056/327] efi: Disable runtime services on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Based on meassurements the EFI functions get_variable / Based on meassurements the EFI functions get_variable /
get_next_variable take up to 2us which looks okay. get_next_variable take up to 2us which looks okay.

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From c52a01426d383f219e672d2467a5c665663be377 Mon Sep 17 00:00:00 2001 From 46e48c644bd5f997e868fa0d6f39da7378cdaa38 Mon Sep 17 00:00:00 2001
Message-Id: <c52a01426d383f219e672d2467a5c665663be377.1588797587.git.zanussi@kernel.org> Message-Id: <46e48c644bd5f997e868fa0d6f39da7378cdaa38.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 22 Jul 2011 17:58:40 +0200 Date: Fri, 22 Jul 2011 17:58:40 +0200
Subject: [PATCH 057/327] printk: Add a printk kill switch Subject: [PATCH 057/327] printk: Add a printk kill switch
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Add a prinkt-kill-switch. This is used from (NMI) watchdog to ensure that Add a prinkt-kill-switch. This is used from (NMI) watchdog to ensure that
it does not dead-lock with the early printk code. it does not dead-lock with the early printk code.

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From 4bff794a89e6457eb993efdf28add5adc54c7c67 Mon Sep 17 00:00:00 2001 From 5ba31ca9469e52e6d4478fee90d733f9c1634dcd Mon Sep 17 00:00:00 2001
Message-Id: <4bff794a89e6457eb993efdf28add5adc54c7c67.1588797587.git.zanussi@kernel.org> Message-Id: <5ba31ca9469e52e6d4478fee90d733f9c1634dcd.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Peter Zijlstra <peterz@infradead.org> From: Peter Zijlstra <peterz@infradead.org>
Date: Fri, 2 Sep 2011 14:41:29 +0200 Date: Fri, 2 Sep 2011 14:41:29 +0200
Subject: [PATCH 058/327] printk: Add "force_early_printk" boot param to help Subject: [PATCH 058/327] printk: Add "force_early_printk" boot param to help
with debugging with debugging
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Gives me an option to screw printk and actually see what the machine Gives me an option to screw printk and actually see what the machine
says. says.

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From dd900385018514a60bcc9360375c61a5410c61ba Mon Sep 17 00:00:00 2001 From 3d6a4436d485a01571ba80494daf1958a6ceff63 Mon Sep 17 00:00:00 2001
Message-Id: <dd900385018514a60bcc9360375c61a5410c61ba.1588797587.git.zanussi@kernel.org> Message-Id: <3d6a4436d485a01571ba80494daf1958a6ceff63.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 24 Jul 2009 12:38:56 +0200 Date: Fri, 24 Jul 2009 12:38:56 +0200
Subject: [PATCH 059/327] preempt: Provide preempt_*_(no)rt variants Subject: [PATCH 059/327] preempt: Provide preempt_*_(no)rt variants
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
RT needs a few preempt_disable/enable points which are not necessary RT needs a few preempt_disable/enable points which are not necessary
otherwise. Implement variants to avoid #ifdeffery. otherwise. Implement variants to avoid #ifdeffery.

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From 4167e3164bcb032ee75d8bf13ad7a738efda1089 Mon Sep 17 00:00:00 2001 From f1cfb83a92f79961e79a25067ecbb45b019a45a1 Mon Sep 17 00:00:00 2001
Message-Id: <4167e3164bcb032ee75d8bf13ad7a738efda1089.1588797587.git.zanussi@kernel.org> Message-Id: <f1cfb83a92f79961e79a25067ecbb45b019a45a1.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 8 Mar 2017 14:23:35 +0100 Date: Wed, 8 Mar 2017 14:23:35 +0100
Subject: [PATCH 060/327] futex: workaround migrate_disable/enable in different Subject: [PATCH 060/327] futex: workaround migrate_disable/enable in different
context context
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
migrate_disable()/migrate_enable() takes a different path in atomic() vs migrate_disable()/migrate_enable() takes a different path in atomic() vs
!atomic() context. These little hacks ensure that we don't underflow / overflow !atomic() context. These little hacks ensure that we don't underflow / overflow

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From 9f6ecffc6d635246096f7ec3969d41610a935758 Mon Sep 17 00:00:00 2001 From e49cf3c5cbf9c7bd3530ce2adaa3ffa845e13f12 Mon Sep 17 00:00:00 2001
Message-Id: <9f6ecffc6d635246096f7ec3969d41610a935758.1588797587.git.zanussi@kernel.org> Message-Id: <e49cf3c5cbf9c7bd3530ce2adaa3ffa845e13f12.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Jun 2011 09:03:47 +0200 Date: Mon, 20 Jun 2011 09:03:47 +0200
Subject: [PATCH 061/327] rt: Add local irq locks Subject: [PATCH 061/327] rt: Add local irq locks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Introduce locallock. For !RT this maps to preempt_disable()/ Introduce locallock. For !RT this maps to preempt_disable()/
local_irq_disable() so there is not much that changes. For RT this will local_irq_disable() so there is not much that changes. For RT this will

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From fb993bc3f80687fab2eeca35f423f962c0b4fab2 Mon Sep 17 00:00:00 2001 From 9c5aa6fb6aded4fa1e63dc3ea5b5341447272009 Mon Sep 17 00:00:00 2001
Message-Id: <fb993bc3f80687fab2eeca35f423f962c0b4fab2.1588797587.git.zanussi@kernel.org> Message-Id: <9c5aa6fb6aded4fa1e63dc3ea5b5341447272009.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Julia Cartwright <julia@ni.com> From: Julia Cartwright <julia@ni.com>
Date: Mon, 7 May 2018 08:58:56 -0500 Date: Mon, 7 May 2018 08:58:56 -0500
Subject: [PATCH 062/327] locallock: provide {get,put}_locked_ptr() variants Subject: [PATCH 062/327] locallock: provide {get,put}_locked_ptr() variants
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Provide a set of locallocked accessors for pointers to per-CPU data; Provide a set of locallocked accessors for pointers to per-CPU data;
this is useful for dynamically-allocated per-CPU regions, for example. this is useful for dynamically-allocated per-CPU regions, for example.

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From e7231e5dd20630c1cafcbd17ac28158f6b83df67 Mon Sep 17 00:00:00 2001 From 0b3ba0e63efc0ff3698c93ccea1b057c1c3c3c8c Mon Sep 17 00:00:00 2001
Message-Id: <e7231e5dd20630c1cafcbd17ac28158f6b83df67.1588797587.git.zanussi@kernel.org> Message-Id: <0b3ba0e63efc0ff3698c93ccea1b057c1c3c3c8c.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 3 Jul 2009 08:44:34 -0500 Date: Fri, 3 Jul 2009 08:44:34 -0500
Subject: [PATCH 063/327] mm/scatterlist: Do not disable irqs on RT Subject: [PATCH 063/327] mm/scatterlist: Do not disable irqs on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
For -RT it is enough to keep pagefault disabled (which is currently handled by For -RT it is enough to keep pagefault disabled (which is currently handled by
kmap_atomic()). kmap_atomic()).

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From 6142215abb31c009bcb3fade2ad2a2d08e8b83d3 Mon Sep 17 00:00:00 2001 From 2c40a53ef74493c310549cef2af63ae00de88f54 Mon Sep 17 00:00:00 2001
Message-Id: <6142215abb31c009bcb3fade2ad2a2d08e8b83d3.1588797587.git.zanussi@kernel.org> Message-Id: <2c40a53ef74493c310549cef2af63ae00de88f54.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Oleg Nesterov <oleg@redhat.com> From: Oleg Nesterov <oleg@redhat.com>
Date: Tue, 14 Jul 2015 14:26:34 +0200 Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: [PATCH 064/327] signal/x86: Delay calling signals in atomic Subject: [PATCH 064/327] signal/x86: Delay calling signals in atomic
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
On x86_64 we must disable preemption before we enable interrupts On x86_64 we must disable preemption before we enable interrupts
for stack faults, int3 and debugging, because the current task is using for stack faults, int3 and debugging, because the current task is using

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@ -1,11 +1,11 @@
From e314282c5471e279928516be35ffa9bb2cc119f6 Mon Sep 17 00:00:00 2001 From eb7f3125c3a4fa024505a05e41fcfcca6f484171 Mon Sep 17 00:00:00 2001
Message-Id: <e314282c5471e279928516be35ffa9bb2cc119f6.1588797587.git.zanussi@kernel.org> Message-Id: <eb7f3125c3a4fa024505a05e41fcfcca6f484171.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Yang Shi <yang.shi@linaro.org> From: Yang Shi <yang.shi@linaro.org>
Date: Thu, 10 Dec 2015 10:58:51 -0800 Date: Thu, 10 Dec 2015 10:58:51 -0800
Subject: [PATCH 065/327] x86/signal: delay calling signals on 32bit Subject: [PATCH 065/327] x86/signal: delay calling signals on 32bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
When running some ptrace single step tests on x86-32 machine, the below problem When running some ptrace single step tests on x86-32 machine, the below problem
is triggered: is triggered:

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@ -1,11 +1,11 @@
From b08a29a9d276cd58847e046d0adc6e8b7870bc67 Mon Sep 17 00:00:00 2001 From c482d938dd8d53d5dd3876957a4964f18b102a66 Mon Sep 17 00:00:00 2001
Message-Id: <b08a29a9d276cd58847e046d0adc6e8b7870bc67.1588797587.git.zanussi@kernel.org> Message-Id: <c482d938dd8d53d5dd3876957a4964f18b102a66.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 18 Mar 2011 09:18:52 +0100 Date: Fri, 18 Mar 2011 09:18:52 +0100
Subject: [PATCH 066/327] buffer_head: Replace bh_uptodate_lock for -rt Subject: [PATCH 066/327] buffer_head: Replace bh_uptodate_lock for -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Wrap the bit_spin_lock calls into a separate inline and add the RT Wrap the bit_spin_lock calls into a separate inline and add the RT
replacements with a real spinlock. replacements with a real spinlock.

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@ -1,12 +1,12 @@
From 48ab2622802d5673b7a70938e105302459a1cf0c Mon Sep 17 00:00:00 2001 From 9c5c5f4f8fcf4dbf8c30dac97256c4025048780d Mon Sep 17 00:00:00 2001
Message-Id: <48ab2622802d5673b7a70938e105302459a1cf0c.1588797587.git.zanussi@kernel.org> Message-Id: <9c5c5f4f8fcf4dbf8c30dac97256c4025048780d.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 18 Mar 2011 10:11:25 +0100 Date: Fri, 18 Mar 2011 10:11:25 +0100
Subject: [PATCH 067/327] fs: jbd/jbd2: Make state lock and journal head lock Subject: [PATCH 067/327] fs: jbd/jbd2: Make state lock and journal head lock
rt safe rt safe
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
bit_spin_locks break under RT. bit_spin_locks break under RT.

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@ -1,11 +1,11 @@
From 57cc0b8d65688453d22cf66aba450d1eb5a8c98a Mon Sep 17 00:00:00 2001 From 0909d9250b379740656baff6f1fdb5f5673aab67 Mon Sep 17 00:00:00 2001
Message-Id: <57cc0b8d65688453d22cf66aba450d1eb5a8c98a.1588797587.git.zanussi@kernel.org> Message-Id: <0909d9250b379740656baff6f1fdb5f5673aab67.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Paul Gortmaker <paul.gortmaker@windriver.com> From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Fri, 21 Jun 2013 15:07:25 -0400 Date: Fri, 21 Jun 2013 15:07:25 -0400
Subject: [PATCH 068/327] list_bl: Make list head locking RT safe Subject: [PATCH 068/327] list_bl: Make list head locking RT safe
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
As per changes in include/linux/jbd_common.h for avoiding the As per changes in include/linux/jbd_common.h for avoiding the
bit_spin_locks on RT ("fs: jbd/jbd2: Make state lock and journal bit_spin_locks on RT ("fs: jbd/jbd2: Make state lock and journal

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@ -1,11 +1,11 @@
From e3aad949c572926872e1fb2d6c943cc0d74f51ef Mon Sep 17 00:00:00 2001 From c4e0f18722acf2edc69eb96130f868e6c6788940 Mon Sep 17 00:00:00 2001
Message-Id: <e3aad949c572926872e1fb2d6c943cc0d74f51ef.1588797587.git.zanussi@kernel.org> Message-Id: <c4e0f18722acf2edc69eb96130f868e6c6788940.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Josh Cartwright <joshc@ni.com> From: Josh Cartwright <joshc@ni.com>
Date: Thu, 31 Mar 2016 00:04:25 -0500 Date: Thu, 31 Mar 2016 00:04:25 -0500
Subject: [PATCH 069/327] list_bl: fixup bogus lockdep warning Subject: [PATCH 069/327] list_bl: fixup bogus lockdep warning
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
At first glance, the use of 'static inline' seems appropriate for At first glance, the use of 'static inline' seems appropriate for
INIT_HLIST_BL_HEAD(). INIT_HLIST_BL_HEAD().

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@ -1,11 +1,11 @@
From 2a9efdf100596f35e61e0f712b68f5bda3dc7b99 Mon Sep 17 00:00:00 2001 From f4e96b7117d9532078b14d66d22deb81c27a6059 Mon Sep 17 00:00:00 2001
Message-Id: <2a9efdf100596f35e61e0f712b68f5bda3dc7b99.1588797587.git.zanussi@kernel.org> Message-Id: <f4e96b7117d9532078b14d66d22deb81c27a6059.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:57 -0500 Date: Fri, 3 Jul 2009 08:29:57 -0500
Subject: [PATCH 070/327] genirq: Disable irqpoll on -rt Subject: [PATCH 070/327] genirq: Disable irqpoll on -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Creates long latencies for no value Creates long latencies for no value

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@ -1,11 +1,11 @@
From 8de462e06c1de7e3cc9b0eaa6d5c6f7368c22b6f Mon Sep 17 00:00:00 2001 From 3e051aa90e4544659fb2dc14bbd65d9009783051 Mon Sep 17 00:00:00 2001
Message-Id: <8de462e06c1de7e3cc9b0eaa6d5c6f7368c22b6f.1588797587.git.zanussi@kernel.org> Message-Id: <3e051aa90e4544659fb2dc14bbd65d9009783051.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 3 Apr 2011 11:57:29 +0200 Date: Sun, 3 Apr 2011 11:57:29 +0200
Subject: [PATCH 071/327] genirq: Force interrupt thread on RT Subject: [PATCH 071/327] genirq: Force interrupt thread on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Force threaded_irqs and optimize the code (force_irqthreads) in regard Force threaded_irqs and optimize the code (force_irqthreads) in regard
to this. to this.

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@ -1,12 +1,12 @@
From 70454fd8a8f7c8caa65becb67bb179cfe4ebce8a Mon Sep 17 00:00:00 2001 From 3a3f3413b2b150857c43187c4181949a65c09d6b Mon Sep 17 00:00:00 2001
Message-Id: <70454fd8a8f7c8caa65becb67bb179cfe4ebce8a.1588797587.git.zanussi@kernel.org> Message-Id: <3a3f3413b2b150857c43187c4181949a65c09d6b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Peter Zijlstra <peterz@infradead.org> From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 28 May 2018 15:24:20 +0200 Date: Mon, 28 May 2018 15:24:20 +0200
Subject: [PATCH 072/327] Split IRQ-off and zone->lock while freeing pages from Subject: [PATCH 072/327] Split IRQ-off and zone->lock while freeing pages from
PCP list #1 PCP list #1
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Split the IRQ-off section while accessing the PCP list from zone->lock Split the IRQ-off section while accessing the PCP list from zone->lock
while freeing pages. while freeing pages.
@ -21,7 +21,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 52 insertions(+), 30 deletions(-) 1 file changed, 52 insertions(+), 30 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 57888cedf244..b8138a5d6ef3 100644 index d8c3051387d1..2a543a376a40 100644
--- a/mm/page_alloc.c --- a/mm/page_alloc.c
+++ b/mm/page_alloc.c +++ b/mm/page_alloc.c
@@ -1095,7 +1095,7 @@ static inline void prefetch_buddy(struct page *page) @@ -1095,7 +1095,7 @@ static inline void prefetch_buddy(struct page *page)
@ -115,7 +115,7 @@ index 57888cedf244..b8138a5d6ef3 100644
} }
static void free_one_page(struct zone *zone, static void free_one_page(struct zone *zone,
@@ -2544,13 +2551,18 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp) @@ -2545,13 +2552,18 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
{ {
unsigned long flags; unsigned long flags;
int to_drain, batch; int to_drain, batch;
@ -135,7 +135,7 @@ index 57888cedf244..b8138a5d6ef3 100644
} }
#endif #endif
@@ -2566,14 +2578,21 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone) @@ -2567,14 +2579,21 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
unsigned long flags; unsigned long flags;
struct per_cpu_pageset *pset; struct per_cpu_pageset *pset;
struct per_cpu_pages *pcp; struct per_cpu_pages *pcp;
@ -159,7 +159,7 @@ index 57888cedf244..b8138a5d6ef3 100644
} }
/* /*
@@ -2795,7 +2814,10 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn) @@ -2796,7 +2815,10 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn)
pcp->count++; pcp->count++;
if (pcp->count >= pcp->high) { if (pcp->count >= pcp->high) {
unsigned long batch = READ_ONCE(pcp->batch); unsigned long batch = READ_ONCE(pcp->batch);

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@ -1,12 +1,12 @@
From 1f4423aeb9a88fef1113af43d1694859d2361e3e Mon Sep 17 00:00:00 2001 From 7b7dde90646c316e1fc54ee2de83ecbb83663772 Mon Sep 17 00:00:00 2001
Message-Id: <1f4423aeb9a88fef1113af43d1694859d2361e3e.1588797587.git.zanussi@kernel.org> Message-Id: <7b7dde90646c316e1fc54ee2de83ecbb83663772.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Peter Zijlstra <peterz@infradead.org> From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 28 May 2018 15:24:21 +0200 Date: Mon, 28 May 2018 15:24:21 +0200
Subject: [PATCH 073/327] Split IRQ-off and zone->lock while freeing pages from Subject: [PATCH 073/327] Split IRQ-off and zone->lock while freeing pages from
PCP list #2 PCP list #2
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Split the IRQ-off section while accessing the PCP list from zone->lock Split the IRQ-off section while accessing the PCP list from zone->lock
while freeing pages. while freeing pages.
@ -21,7 +21,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 50 insertions(+), 10 deletions(-) 1 file changed, 50 insertions(+), 10 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b8138a5d6ef3..19f274de32f0 100644 index 2a543a376a40..62b39e3e5cea 100644
--- a/mm/page_alloc.c --- a/mm/page_alloc.c
+++ b/mm/page_alloc.c +++ b/mm/page_alloc.c
@@ -1105,8 +1105,8 @@ static inline void prefetch_buddy(struct page *page) @@ -1105,8 +1105,8 @@ static inline void prefetch_buddy(struct page *page)
@ -63,7 +63,7 @@ index b8138a5d6ef3..19f274de32f0 100644
__free_one_page(page, page_to_pfn(page), zone, 0, mt); __free_one_page(page, page_to_pfn(page), zone, 0, mt);
trace_mm_page_pcpu_drain(page, 0, mt); trace_mm_page_pcpu_drain(page, 0, mt);
} }
@@ -2562,7 +2577,7 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp) @@ -2563,7 +2578,7 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
local_irq_restore(flags); local_irq_restore(flags);
if (to_drain > 0) if (to_drain > 0)
@ -72,7 +72,7 @@ index b8138a5d6ef3..19f274de32f0 100644
} }
#endif #endif
@@ -2592,7 +2607,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone) @@ -2593,7 +2608,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
local_irq_restore(flags); local_irq_restore(flags);
if (count) if (count)
@ -81,7 +81,7 @@ index b8138a5d6ef3..19f274de32f0 100644
} }
/* /*
@@ -2785,7 +2800,8 @@ static bool free_unref_page_prepare(struct page *page, unsigned long pfn) @@ -2786,7 +2801,8 @@ static bool free_unref_page_prepare(struct page *page, unsigned long pfn)
return true; return true;
} }
@ -91,7 +91,7 @@ index b8138a5d6ef3..19f274de32f0 100644
{ {
struct zone *zone = page_zone(page); struct zone *zone = page_zone(page);
struct per_cpu_pages *pcp; struct per_cpu_pages *pcp;
@@ -2814,10 +2830,8 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn) @@ -2815,10 +2831,8 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn)
pcp->count++; pcp->count++;
if (pcp->count >= pcp->high) { if (pcp->count >= pcp->high) {
unsigned long batch = READ_ONCE(pcp->batch); unsigned long batch = READ_ONCE(pcp->batch);
@ -103,7 +103,7 @@ index b8138a5d6ef3..19f274de32f0 100644
} }
} }
@@ -2828,13 +2842,17 @@ void free_unref_page(struct page *page) @@ -2829,13 +2843,17 @@ void free_unref_page(struct page *page)
{ {
unsigned long flags; unsigned long flags;
unsigned long pfn = page_to_pfn(page); unsigned long pfn = page_to_pfn(page);
@ -122,7 +122,7 @@ index b8138a5d6ef3..19f274de32f0 100644
} }
/* /*
@@ -2845,6 +2863,11 @@ void free_unref_page_list(struct list_head *list) @@ -2846,6 +2864,11 @@ void free_unref_page_list(struct list_head *list)
struct page *page, *next; struct page *page, *next;
unsigned long flags, pfn; unsigned long flags, pfn;
int batch_count = 0; int batch_count = 0;
@ -134,7 +134,7 @@ index b8138a5d6ef3..19f274de32f0 100644
/* Prepare pages for freeing */ /* Prepare pages for freeing */
list_for_each_entry_safe(page, next, list, lru) { list_for_each_entry_safe(page, next, list, lru) {
@@ -2857,10 +2880,12 @@ void free_unref_page_list(struct list_head *list) @@ -2858,10 +2881,12 @@ void free_unref_page_list(struct list_head *list)
local_irq_save(flags); local_irq_save(flags);
list_for_each_entry_safe(page, next, list, lru) { list_for_each_entry_safe(page, next, list, lru) {
unsigned long pfn = page_private(page); unsigned long pfn = page_private(page);
@ -148,7 +148,7 @@ index b8138a5d6ef3..19f274de32f0 100644
/* /*
* Guard against excessive IRQ disabled times when we get * Guard against excessive IRQ disabled times when we get
@@ -2873,6 +2898,21 @@ void free_unref_page_list(struct list_head *list) @@ -2874,6 +2899,21 @@ void free_unref_page_list(struct list_head *list)
} }
} }
local_irq_restore(flags); local_irq_restore(flags);

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@ -1,11 +1,11 @@
From 70c54093e553bef72c4d5a174f1590eea0e8dfdb Mon Sep 17 00:00:00 2001 From fa057a8cd66ac953640cc16e35915d8afe3a6465 Mon Sep 17 00:00:00 2001
Message-Id: <70c54093e553bef72c4d5a174f1590eea0e8dfdb.1588797587.git.zanussi@kernel.org> Message-Id: <fa057a8cd66ac953640cc16e35915d8afe3a6465.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 28 May 2018 15:24:22 +0200 Date: Mon, 28 May 2018 15:24:22 +0200
Subject: [PATCH 074/327] mm/SLxB: change list_lock to raw_spinlock_t Subject: [PATCH 074/327] mm/SLxB: change list_lock to raw_spinlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The list_lock is used with used with IRQs off on RT. Make it a raw_spinlock_t The list_lock is used with used with IRQs off on RT. Make it a raw_spinlock_t
otherwise the interrupts won't be disabled on -RT. The locking rules remain otherwise the interrupts won't be disabled on -RT. The locking rules remain

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@ -1,12 +1,12 @@
From 6f6587f18a69bb2cc89c39e1eef158658ef63e62 Mon Sep 17 00:00:00 2001 From 4d6fc2ed37bb9bf82d3fa7f7a1056969914ea7d9 Mon Sep 17 00:00:00 2001
Message-Id: <6f6587f18a69bb2cc89c39e1eef158658ef63e62.1588797587.git.zanussi@kernel.org> Message-Id: <4d6fc2ed37bb9bf82d3fa7f7a1056969914ea7d9.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 21 Jun 2018 17:29:19 +0200 Date: Thu, 21 Jun 2018 17:29:19 +0200
Subject: [PATCH 075/327] mm/SLUB: delay giving back empty slubs to IRQ enabled Subject: [PATCH 075/327] mm/SLUB: delay giving back empty slubs to IRQ enabled
regions regions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
__free_slab() is invoked with disabled interrupts which increases the __free_slab() is invoked with disabled interrupts which increases the
irq-off time while __free_pages() is doing the work. irq-off time while __free_pages() is doing the work.

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@ -1,11 +1,11 @@
From 5c03bb8685149b61919cf8bf3a273e9a3e4e7634 Mon Sep 17 00:00:00 2001 From 4de498e282c6832127555daa53cf0f14d33561e6 Mon Sep 17 00:00:00 2001
Message-Id: <5c03bb8685149b61919cf8bf3a273e9a3e4e7634.1588797587.git.zanussi@kernel.org> Message-Id: <4de498e282c6832127555daa53cf0f14d33561e6.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:37 -0500 Date: Fri, 3 Jul 2009 08:29:37 -0500
Subject: [PATCH 076/327] mm: page_alloc: rt-friendly per-cpu pages Subject: [PATCH 076/327] mm: page_alloc: rt-friendly per-cpu pages
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
rt-friendly per-cpu pages: convert the irqs-off per-cpu locking rt-friendly per-cpu pages: convert the irqs-off per-cpu locking
method into a preemptible, explicit-per-cpu-locks method. method into a preemptible, explicit-per-cpu-locks method.
@ -21,7 +21,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 file changed, 43 insertions(+), 20 deletions(-) 1 file changed, 43 insertions(+), 20 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 19f274de32f0..4180a5312060 100644 index 62b39e3e5cea..0aad0dbd8bf4 100644
--- a/mm/page_alloc.c --- a/mm/page_alloc.c
+++ b/mm/page_alloc.c +++ b/mm/page_alloc.c
@@ -60,6 +60,7 @@ @@ -60,6 +60,7 @@
@ -64,7 +64,7 @@ index 19f274de32f0..4180a5312060 100644
} }
static void __init __free_pages_boot_core(struct page *page, unsigned int order) static void __init __free_pages_boot_core(struct page *page, unsigned int order)
@@ -2568,13 +2581,13 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp) @@ -2569,13 +2582,13 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
int to_drain, batch; int to_drain, batch;
LIST_HEAD(dst); LIST_HEAD(dst);
@ -80,7 +80,7 @@ index 19f274de32f0..4180a5312060 100644
if (to_drain > 0) if (to_drain > 0)
free_pcppages_bulk(zone, &dst, false); free_pcppages_bulk(zone, &dst, false);
@@ -2596,7 +2609,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone) @@ -2597,7 +2610,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
LIST_HEAD(dst); LIST_HEAD(dst);
int count; int count;
@ -89,7 +89,7 @@ index 19f274de32f0..4180a5312060 100644
pset = per_cpu_ptr(zone->pageset, cpu); pset = per_cpu_ptr(zone->pageset, cpu);
pcp = &pset->pcp; pcp = &pset->pcp;
@@ -2604,7 +2617,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone) @@ -2605,7 +2618,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
if (count) if (count)
isolate_pcp_pages(count, pcp, &dst); isolate_pcp_pages(count, pcp, &dst);
@ -98,7 +98,7 @@ index 19f274de32f0..4180a5312060 100644
if (count) if (count)
free_pcppages_bulk(zone, &dst, false); free_pcppages_bulk(zone, &dst, false);
@@ -2642,6 +2655,7 @@ void drain_local_pages(struct zone *zone) @@ -2643,6 +2656,7 @@ void drain_local_pages(struct zone *zone)
drain_pages(cpu); drain_pages(cpu);
} }
@ -106,7 +106,7 @@ index 19f274de32f0..4180a5312060 100644
static void drain_local_pages_wq(struct work_struct *work) static void drain_local_pages_wq(struct work_struct *work)
{ {
/* /*
@@ -2655,6 +2669,7 @@ static void drain_local_pages_wq(struct work_struct *work) @@ -2656,6 +2670,7 @@ static void drain_local_pages_wq(struct work_struct *work)
drain_local_pages(NULL); drain_local_pages(NULL);
preempt_enable(); preempt_enable();
} }
@ -114,7 +114,7 @@ index 19f274de32f0..4180a5312060 100644
/* /*
* Spill all the per-cpu pages from all CPUs back into the buddy allocator. * Spill all the per-cpu pages from all CPUs back into the buddy allocator.
@@ -2721,7 +2736,14 @@ void drain_all_pages(struct zone *zone) @@ -2722,7 +2737,14 @@ void drain_all_pages(struct zone *zone)
else else
cpumask_clear_cpu(cpu, &cpus_with_pcps); cpumask_clear_cpu(cpu, &cpus_with_pcps);
} }
@ -130,7 +130,7 @@ index 19f274de32f0..4180a5312060 100644
for_each_cpu(cpu, &cpus_with_pcps) { for_each_cpu(cpu, &cpus_with_pcps) {
struct work_struct *work = per_cpu_ptr(&pcpu_drain, cpu); struct work_struct *work = per_cpu_ptr(&pcpu_drain, cpu);
INIT_WORK(work, drain_local_pages_wq); INIT_WORK(work, drain_local_pages_wq);
@@ -2729,6 +2751,7 @@ void drain_all_pages(struct zone *zone) @@ -2730,6 +2752,7 @@ void drain_all_pages(struct zone *zone)
} }
for_each_cpu(cpu, &cpus_with_pcps) for_each_cpu(cpu, &cpus_with_pcps)
flush_work(per_cpu_ptr(&pcpu_drain, cpu)); flush_work(per_cpu_ptr(&pcpu_drain, cpu));
@ -138,7 +138,7 @@ index 19f274de32f0..4180a5312060 100644
mutex_unlock(&pcpu_drain_mutex); mutex_unlock(&pcpu_drain_mutex);
} }
@@ -2848,9 +2871,9 @@ void free_unref_page(struct page *page) @@ -2849,9 +2872,9 @@ void free_unref_page(struct page *page)
if (!free_unref_page_prepare(page, pfn)) if (!free_unref_page_prepare(page, pfn))
return; return;
@ -150,7 +150,7 @@ index 19f274de32f0..4180a5312060 100644
if (!list_empty(&dst)) if (!list_empty(&dst))
free_pcppages_bulk(zone, &dst, false); free_pcppages_bulk(zone, &dst, false);
} }
@@ -2877,7 +2900,7 @@ void free_unref_page_list(struct list_head *list) @@ -2878,7 +2901,7 @@ void free_unref_page_list(struct list_head *list)
set_page_private(page, pfn); set_page_private(page, pfn);
} }
@ -159,7 +159,7 @@ index 19f274de32f0..4180a5312060 100644
list_for_each_entry_safe(page, next, list, lru) { list_for_each_entry_safe(page, next, list, lru) {
unsigned long pfn = page_private(page); unsigned long pfn = page_private(page);
enum zone_type type; enum zone_type type;
@@ -2892,12 +2915,12 @@ void free_unref_page_list(struct list_head *list) @@ -2893,12 +2916,12 @@ void free_unref_page_list(struct list_head *list)
* a large list of pages to free. * a large list of pages to free.
*/ */
if (++batch_count == SWAP_CLUSTER_MAX) { if (++batch_count == SWAP_CLUSTER_MAX) {
@ -175,7 +175,7 @@ index 19f274de32f0..4180a5312060 100644
for (i = 0; i < __MAX_NR_ZONES; ) { for (i = 0; i < __MAX_NR_ZONES; ) {
struct page *page; struct page *page;
@@ -3046,7 +3069,7 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone, @@ -3047,7 +3070,7 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone,
struct page *page; struct page *page;
unsigned long flags; unsigned long flags;
@ -184,7 +184,7 @@ index 19f274de32f0..4180a5312060 100644
pcp = &this_cpu_ptr(zone->pageset)->pcp; pcp = &this_cpu_ptr(zone->pageset)->pcp;
list = &pcp->lists[migratetype]; list = &pcp->lists[migratetype];
page = __rmqueue_pcplist(zone, migratetype, pcp, list); page = __rmqueue_pcplist(zone, migratetype, pcp, list);
@@ -3054,7 +3077,7 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone, @@ -3055,7 +3078,7 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone,
__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
zone_statistics(preferred_zone, zone); zone_statistics(preferred_zone, zone);
} }
@ -193,7 +193,7 @@ index 19f274de32f0..4180a5312060 100644
return page; return page;
} }
@@ -3081,7 +3104,7 @@ struct page *rmqueue(struct zone *preferred_zone, @@ -3082,7 +3105,7 @@ struct page *rmqueue(struct zone *preferred_zone,
* allocate greater than order-1 page units with __GFP_NOFAIL. * allocate greater than order-1 page units with __GFP_NOFAIL.
*/ */
WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1)); WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1));
@ -202,7 +202,7 @@ index 19f274de32f0..4180a5312060 100644
do { do {
page = NULL; page = NULL;
@@ -3101,14 +3124,14 @@ struct page *rmqueue(struct zone *preferred_zone, @@ -3102,14 +3125,14 @@ struct page *rmqueue(struct zone *preferred_zone,
__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
zone_statistics(preferred_zone, zone); zone_statistics(preferred_zone, zone);
@ -219,7 +219,7 @@ index 19f274de32f0..4180a5312060 100644
return NULL; return NULL;
} }
@@ -8129,7 +8152,7 @@ void zone_pcp_reset(struct zone *zone) @@ -8130,7 +8153,7 @@ void zone_pcp_reset(struct zone *zone)
struct per_cpu_pageset *pset; struct per_cpu_pageset *pset;
/* avoid races with drain_pages() */ /* avoid races with drain_pages() */
@ -228,7 +228,7 @@ index 19f274de32f0..4180a5312060 100644
if (zone->pageset != &boot_pageset) { if (zone->pageset != &boot_pageset) {
for_each_online_cpu(cpu) { for_each_online_cpu(cpu) {
pset = per_cpu_ptr(zone->pageset, cpu); pset = per_cpu_ptr(zone->pageset, cpu);
@@ -8138,7 +8161,7 @@ void zone_pcp_reset(struct zone *zone) @@ -8139,7 +8162,7 @@ void zone_pcp_reset(struct zone *zone)
free_percpu(zone->pageset); free_percpu(zone->pageset);
zone->pageset = &boot_pageset; zone->pageset = &boot_pageset;
} }

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@ -1,11 +1,11 @@
From 8db6812f18080154df9d8679ce16af51a8ba4fe3 Mon Sep 17 00:00:00 2001 From 10d21f8e8a36ebe0763b204d827259c8a249de7f Mon Sep 17 00:00:00 2001
Message-Id: <8db6812f18080154df9d8679ce16af51a8ba4fe3.1588797587.git.zanussi@kernel.org> Message-Id: <10d21f8e8a36ebe0763b204d827259c8a249de7f.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:51 -0500 Date: Fri, 3 Jul 2009 08:29:51 -0500
Subject: [PATCH 077/327] mm/swap: Convert to percpu locked Subject: [PATCH 077/327] mm/swap: Convert to percpu locked
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Replace global locks (get_cpu + local_irq_save) with "local_locks()". Replace global locks (get_cpu + local_irq_save) with "local_locks()".
Currently there is one of for "rotate" and one for "swap". Currently there is one of for "rotate" and one for "swap".
@ -59,10 +59,10 @@ index 5079ddbec8f9..c40d3a13cbbd 100644
cc->last_migrated_pfn = 0; cc->last_migrated_pfn = 0;
} }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4180a5312060..889b4089b289 100644 index 0aad0dbd8bf4..98abae7e843e 100644
--- a/mm/page_alloc.c --- a/mm/page_alloc.c
+++ b/mm/page_alloc.c +++ b/mm/page_alloc.c
@@ -7242,8 +7242,9 @@ void __init free_area_init(unsigned long *zones_size) @@ -7243,8 +7243,9 @@ void __init free_area_init(unsigned long *zones_size)
static int page_alloc_cpu_dead(unsigned int cpu) static int page_alloc_cpu_dead(unsigned int cpu)
{ {

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@ -1,11 +1,11 @@
From 919fb5c7ab71b28ea96b7f83055b52fcc5c9119c Mon Sep 17 00:00:00 2001 From fdeb720879c14d725ec3d401960fa2ca0f479ebe Mon Sep 17 00:00:00 2001
Message-Id: <919fb5c7ab71b28ea96b7f83055b52fcc5c9119c.1588797587.git.zanussi@kernel.org> Message-Id: <fdeb720879c14d725ec3d401960fa2ca0f479ebe.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Luiz Capitulino <lcapitulino@redhat.com> From: Luiz Capitulino <lcapitulino@redhat.com>
Date: Fri, 27 May 2016 15:03:28 +0200 Date: Fri, 27 May 2016 15:03:28 +0200
Subject: [PATCH 078/327] mm: perform lru_add_drain_all() remotely Subject: [PATCH 078/327] mm: perform lru_add_drain_all() remotely
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
lru_add_drain_all() works by scheduling lru_add_drain_cpu() to run lru_add_drain_all() works by scheduling lru_add_drain_cpu() to run
on all CPUs that have non-empty LRU pagevecs and then waiting for on all CPUs that have non-empty LRU pagevecs and then waiting for

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@ -1,12 +1,12 @@
From 36be6e4e76ea93741b345abb97d40b48eab57cac Mon Sep 17 00:00:00 2001 From dffe1cb4045c66c67368b11f369e5bb5f26a1f81 Mon Sep 17 00:00:00 2001
Message-Id: <36be6e4e76ea93741b345abb97d40b48eab57cac.1588797587.git.zanussi@kernel.org> Message-Id: <dffe1cb4045c66c67368b11f369e5bb5f26a1f81.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:13 -0500 Date: Fri, 3 Jul 2009 08:30:13 -0500
Subject: [PATCH 079/327] mm/vmstat: Protect per cpu variables with preempt Subject: [PATCH 079/327] mm/vmstat: Protect per cpu variables with preempt
disable on RT disable on RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Disable preemption on -RT for the vmstat code. On vanila the code runs in Disable preemption on -RT for the vmstat code. On vanila the code runs in
IRQ-off regions while on -RT it is not. "preempt_disable" ensures that the IRQ-off regions while on -RT it is not. "preempt_disable" ensures that the

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@ -1,12 +1,12 @@
From d904f1ae3ddf7b7f19c043f65a1dc8f681cdc4aa Mon Sep 17 00:00:00 2001 From aeffc8a19ecbfab057793781f8a25041af504a83 Mon Sep 17 00:00:00 2001
Message-Id: <d904f1ae3ddf7b7f19c043f65a1dc8f681cdc4aa.1588797587.git.zanussi@kernel.org> Message-Id: <aeffc8a19ecbfab057793781f8a25041af504a83.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Frank Rowand <frank.rowand@am.sony.com> From: Frank Rowand <frank.rowand@am.sony.com>
Date: Sat, 1 Oct 2011 18:58:13 -0700 Date: Sat, 1 Oct 2011 18:58:13 -0700
Subject: [PATCH 080/327] ARM: Initialize split page table locks for vector Subject: [PATCH 080/327] ARM: Initialize split page table locks for vector
page page
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Without this patch, ARM can not use SPLIT_PTLOCK_CPUS if Without this patch, ARM can not use SPLIT_PTLOCK_CPUS if
PREEMPT_RT_FULL=y because vectors_user_mapping() creates a PREEMPT_RT_FULL=y because vectors_user_mapping() creates a

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@ -1,11 +1,11 @@
From 43968d25f34cc0c7e453f17c63fa23dc50bccff6 Mon Sep 17 00:00:00 2001 From 6e8c5a61ab832ba68d9935c4f02adcb7a30d7a94 Mon Sep 17 00:00:00 2001
Message-Id: <43968d25f34cc0c7e453f17c63fa23dc50bccff6.1588797587.git.zanussi@kernel.org> Message-Id: <6e8c5a61ab832ba68d9935c4f02adcb7a30d7a94.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 25 Oct 2012 10:32:35 +0100 Date: Thu, 25 Oct 2012 10:32:35 +0100
Subject: [PATCH 081/327] mm: Enable SLUB for RT Subject: [PATCH 081/327] mm: Enable SLUB for RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Avoid the memory allocation in IRQ section Avoid the memory allocation in IRQ section

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From ac660441fdc328b4e835f6a2eb15ba2a9ae56a73 Mon Sep 17 00:00:00 2001 From 8f6fd4e0cc2883e6382583e41d27d3d6d040192b Mon Sep 17 00:00:00 2001
Message-Id: <ac660441fdc328b4e835f6a2eb15ba2a9ae56a73.1588797587.git.zanussi@kernel.org> Message-Id: <8f6fd4e0cc2883e6382583e41d27d3d6d040192b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 9 Jan 2013 12:08:15 +0100 Date: Wed, 9 Jan 2013 12:08:15 +0100
Subject: [PATCH 082/327] slub: Enable irqs for __GFP_WAIT Subject: [PATCH 082/327] slub: Enable irqs for __GFP_WAIT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
SYSTEM_RUNNING might be too late for enabling interrupts. Allocations SYSTEM_RUNNING might be too late for enabling interrupts. Allocations
with GFP_WAIT can happen before that. So use this as an indicator. with GFP_WAIT can happen before that. So use this as an indicator.

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From 3f101e56bfa35092043bc11d64e199792ef0234b Mon Sep 17 00:00:00 2001 From 843e5b1d54daef194395fd4369cb1ec54262ef2b Mon Sep 17 00:00:00 2001
Message-Id: <3f101e56bfa35092043bc11d64e199792ef0234b.1588797587.git.zanussi@kernel.org> Message-Id: <843e5b1d54daef194395fd4369cb1ec54262ef2b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 15 Apr 2015 19:00:47 +0200 Date: Wed, 15 Apr 2015 19:00:47 +0200
Subject: [PATCH 083/327] slub: Disable SLUB_CPU_PARTIAL Subject: [PATCH 083/327] slub: Disable SLUB_CPU_PARTIAL
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:915 |BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:915
|in_atomic(): 1, irqs_disabled(): 0, pid: 87, name: rcuop/7 |in_atomic(): 1, irqs_disabled(): 0, pid: 87, name: rcuop/7

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From 4acb7f24767f76d8499f2818c8c823db0dcaedce Mon Sep 17 00:00:00 2001 From 3e9c12c78200b760c00837854fd6d37028b2f543 Mon Sep 17 00:00:00 2001
Message-Id: <4acb7f24767f76d8499f2818c8c823db0dcaedce.1588797587.git.zanussi@kernel.org> Message-Id: <3e9c12c78200b760c00837854fd6d37028b2f543.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Yang Shi <yang.shi@windriver.com> From: Yang Shi <yang.shi@windriver.com>
Date: Wed, 30 Oct 2013 11:48:33 -0700 Date: Wed, 30 Oct 2013 11:48:33 -0700
Subject: [PATCH 084/327] mm/memcontrol: Don't call schedule_work_on in Subject: [PATCH 084/327] mm/memcontrol: Don't call schedule_work_on in
preemption disabled context preemption disabled context
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The following trace is triggered when running ltp oom test cases: The following trace is triggered when running ltp oom test cases:

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From a6498df708e70b00c5b0dc27ae24bec3bb4544f8 Mon Sep 17 00:00:00 2001 From 91616d29c2d084ab75578112ead5001d6080f166 Mon Sep 17 00:00:00 2001
Message-Id: <a6498df708e70b00c5b0dc27ae24bec3bb4544f8.1588797587.git.zanussi@kernel.org> Message-Id: <91616d29c2d084ab75578112ead5001d6080f166.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 28 Jan 2015 17:14:16 +0100 Date: Wed, 28 Jan 2015 17:14:16 +0100
Subject: [PATCH 085/327] mm/memcontrol: Replace local_irq_disable with local Subject: [PATCH 085/327] mm/memcontrol: Replace local_irq_disable with local
locks locks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
There are a few local_irq_disable() which then take sleeping locks. This There are a few local_irq_disable() which then take sleeping locks. This
patch converts them local locks. patch converts them local locks.

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From 5435ab24adf4b67ad5116ebc31ebfaf2ad9dc386 Mon Sep 17 00:00:00 2001 From c088f5ac3869d9017ee3cfd6e3e635b739f29b9a Mon Sep 17 00:00:00 2001
Message-Id: <5435ab24adf4b67ad5116ebc31ebfaf2ad9dc386.1588797587.git.zanussi@kernel.org> Message-Id: <c088f5ac3869d9017ee3cfd6e3e635b739f29b9a.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Mike Galbraith <umgwanakikbuti@gmail.com> From: Mike Galbraith <umgwanakikbuti@gmail.com>
Date: Tue, 22 Mar 2016 11:16:09 +0100 Date: Tue, 22 Mar 2016 11:16:09 +0100
Subject: [PATCH 086/327] mm/zsmalloc: copy with get_cpu_var() and locking Subject: [PATCH 086/327] mm/zsmalloc: copy with get_cpu_var() and locking
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
get_cpu_var() disables preemption and triggers a might_sleep() splat later. get_cpu_var() disables preemption and triggers a might_sleep() splat later.
This is replaced with get_locked_var(). This is replaced with get_locked_var().

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From ebc47cf9b47497d1cd89845dce7a4a51a6da1f45 Mon Sep 17 00:00:00 2001 From 10058ab5044aa42d8a446f23dbf389501fe42659 Mon Sep 17 00:00:00 2001
Message-Id: <ebc47cf9b47497d1cd89845dce7a4a51a6da1f45.1588797587.git.zanussi@kernel.org> Message-Id: <10058ab5044aa42d8a446f23dbf389501fe42659.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 11 Dec 2018 21:53:43 +0100 Date: Tue, 11 Dec 2018 21:53:43 +0100
Subject: [PATCH 087/327] x86/mm/pat: disable preemption __split_large_page() Subject: [PATCH 087/327] x86/mm/pat: disable preemption __split_large_page()
after spin_lock() after spin_lock()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Commit "x86/mm/pat: Disable preemption around __flush_tlb_all()" added a Commit "x86/mm/pat: Disable preemption around __flush_tlb_all()" added a
warning if __flush_tlb_all() is invoked in preemptible context. On !RT warning if __flush_tlb_all() is invoked in preemptible context. On !RT

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From 905387933bea4aee6079cb329a06a8a30481f092 Mon Sep 17 00:00:00 2001 From 53285f0d22a166ed75e6783eff8da4a278d77baf Mon Sep 17 00:00:00 2001
Message-Id: <905387933bea4aee6079cb329a06a8a30481f092.1588797587.git.zanussi@kernel.org> Message-Id: <53285f0d22a166ed75e6783eff8da4a278d77baf.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 25 Jan 2017 16:34:27 +0100 Date: Wed, 25 Jan 2017 16:34:27 +0100
Subject: [PATCH 088/327] radix-tree: use local locks Subject: [PATCH 088/327] radix-tree: use local locks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The preload functionality uses per-CPU variables and preempt-disable to The preload functionality uses per-CPU variables and preempt-disable to
ensure that it does not switch CPUs during its usage. This patch adds ensure that it does not switch CPUs during its usage. This patch adds

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From d4eec20885c0c2a25d3ee5d83464077e0b77ca13 Mon Sep 17 00:00:00 2001 From 48cd286fdd0d9f93477f3a3243bf27c30531c995 Mon Sep 17 00:00:00 2001
Message-Id: <d4eec20885c0c2a25d3ee5d83464077e0b77ca13.1588797587.git.zanussi@kernel.org> Message-Id: <48cd286fdd0d9f93477f3a3243bf27c30531c995.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:34 -0500 Date: Fri, 3 Jul 2009 08:29:34 -0500
Subject: [PATCH 089/327] timers: Prepare for full preemption Subject: [PATCH 089/327] timers: Prepare for full preemption
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
When softirqs can be preempted we need to make sure that cancelling When softirqs can be preempted we need to make sure that cancelling
the timer from the active thread can not deadlock vs. a running timer the timer from the active thread can not deadlock vs. a running timer

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From 17b7ebb5784c83799e57c61008f6f618f901ac3c Mon Sep 17 00:00:00 2001 From f6c3ce2272c7ebee850197cd4744deea0ade3851 Mon Sep 17 00:00:00 2001
Message-Id: <17b7ebb5784c83799e57c61008f6f618f901ac3c.1588797587.git.zanussi@kernel.org> Message-Id: <f6c3ce2272c7ebee850197cd4744deea0ade3851.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 6 Nov 2011 12:26:18 +0100 Date: Sun, 6 Nov 2011 12:26:18 +0100
Subject: [PATCH 090/327] x86: kvm Require const tsc for RT Subject: [PATCH 090/327] x86: kvm Require const tsc for RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Non constant TSC is a nightmare on bare metal already, but with Non constant TSC is a nightmare on bare metal already, but with
virtualization it becomes a complete disaster because the workarounds virtualization it becomes a complete disaster because the workarounds
@ -18,7 +18,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 file changed, 7 insertions(+) 1 file changed, 7 insertions(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6bfc9eaf8dee..166eaf163324 100644 index b0fd24ee08d2..dc1d536a86ba 100644
--- a/arch/x86/kvm/x86.c --- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c
@@ -6877,6 +6877,13 @@ int kvm_arch_init(void *opaque) @@ -6877,6 +6877,13 @@ int kvm_arch_init(void *opaque)

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From a8dd4b63ac98dd63230cfee544da29c6c7c875e6 Mon Sep 17 00:00:00 2001 From 66114e344899bf9406fdb9c868239f2c3c3339ea Mon Sep 17 00:00:00 2001
Message-Id: <a8dd4b63ac98dd63230cfee544da29c6c7c875e6.1588797587.git.zanussi@kernel.org> Message-Id: <66114e344899bf9406fdb9c868239f2c3c3339ea.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 4 Oct 2017 10:24:23 +0200 Date: Wed, 4 Oct 2017 10:24:23 +0200
Subject: [PATCH 091/327] pci/switchtec: Don't use completion's wait queue Subject: [PATCH 091/327] pci/switchtec: Don't use completion's wait queue
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The poll callback is using completion's wait_queue_head_t member and The poll callback is using completion's wait_queue_head_t member and
puts it in poll_wait() so the poll() caller gets a wakeup after command puts it in poll_wait() so the poll() caller gets a wakeup after command

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From c0653cc1d3e43bd0e43f3fee9dafb456ed28190a Mon Sep 17 00:00:00 2001 From 41af71c175d23fa802fba4537a43b0af5a2700c3 Mon Sep 17 00:00:00 2001
Message-Id: <c0653cc1d3e43bd0e43f3fee9dafb456ed28190a.1588797587.git.zanussi@kernel.org> Message-Id: <41af71c175d23fa802fba4537a43b0af5a2700c3.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 28 Oct 2013 12:19:57 +0100 Date: Mon, 28 Oct 2013 12:19:57 +0100
Subject: [PATCH 092/327] wait.h: include atomic.h Subject: [PATCH 092/327] wait.h: include atomic.h
MIME-Version: 1.0 MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit Content-Transfer-Encoding: 8bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
| CC init/main.o | CC init/main.o
|In file included from include/linux/mmzone.h:9:0, |In file included from include/linux/mmzone.h:9:0,

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From 9e18254d6c03db9399865a50b4742d362e613d74 Mon Sep 17 00:00:00 2001 From d017a1556dd43a1b3784e918d26490349760d104 Mon Sep 17 00:00:00 2001
Message-Id: <9e18254d6c03db9399865a50b4742d362e613d74.1588797587.git.zanussi@kernel.org> Message-Id: <d017a1556dd43a1b3784e918d26490349760d104.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Daniel Wagner <daniel.wagner@bmw-carit.de> From: Daniel Wagner <daniel.wagner@bmw-carit.de>
Date: Fri, 11 Jul 2014 15:26:11 +0200 Date: Fri, 11 Jul 2014 15:26:11 +0200
Subject: [PATCH 093/327] work-simple: Simple work queue implemenation Subject: [PATCH 093/327] work-simple: Simple work queue implemenation
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Provides a framework for enqueuing callbacks from irq context Provides a framework for enqueuing callbacks from irq context
PREEMPT_RT_FULL safe. The callbacks are executed in kthread context. PREEMPT_RT_FULL safe. The callbacks are executed in kthread context.

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From 8491c30bd13faf3015ca096ea7eb516275f42829 Mon Sep 17 00:00:00 2001 From 242c094d4338111ace88909588c33688966aa416 Mon Sep 17 00:00:00 2001
Message-Id: <8491c30bd13faf3015ca096ea7eb516275f42829.1588797587.git.zanussi@kernel.org> Message-Id: <242c094d4338111ace88909588c33688966aa416.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 10 Sep 2018 18:00:31 +0200 Date: Mon, 10 Sep 2018 18:00:31 +0200
Subject: [PATCH 094/327] work-simple: drop a shit statement in Subject: [PATCH 094/327] work-simple: drop a shit statement in
SWORK_EVENT_PENDING SWORK_EVENT_PENDING
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Dan Carpenter reported Dan Carpenter reported
| smatch warnings: | smatch warnings:

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From ff3fe1c0c7ede76e82b6bcae4929af93851e4bbc Mon Sep 17 00:00:00 2001 From cec9bf06d5bcc8203e45e2f4fe388ec2e1f03e3c Mon Sep 17 00:00:00 2001
Message-Id: <ff3fe1c0c7ede76e82b6bcae4929af93851e4bbc.1588797587.git.zanussi@kernel.org> Message-Id: <cec9bf06d5bcc8203e45e2f4fe388ec2e1f03e3c.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 11 Jan 2013 11:23:51 +0100 Date: Fri, 11 Jan 2013 11:23:51 +0100
Subject: [PATCH 095/327] completion: Use simple wait queues Subject: [PATCH 095/327] completion: Use simple wait queues
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Completions have no long lasting callbacks and therefor do not need Completions have no long lasting callbacks and therefor do not need
the complex waitqueue variant. Use simple waitqueues which reduces the the complex waitqueue variant. Use simple waitqueues which reduces the
@ -164,7 +164,7 @@ index 73e06e9986d4..f426a0661aa0 100644
extern long prepare_to_swait_event(struct swait_queue_head *q, struct swait_queue *wait, int state); extern long prepare_to_swait_event(struct swait_queue_head *q, struct swait_queue *wait, int state);
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index f5ce9f7ec132..0f00ba01376f 100644 index 537a2a3c1dea..5b1c16500d07 100644
--- a/kernel/power/hibernate.c --- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c
@@ -690,6 +690,10 @@ static int load_image_and_restore(void) @@ -690,6 +690,10 @@ static int load_image_and_restore(void)

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From d559faa98e79d0b61a303cf6d6c537f4d689ab47 Mon Sep 17 00:00:00 2001 From a3585f91ee1ccd096183305b2b26a3f9b23de582 Mon Sep 17 00:00:00 2001
Message-Id: <d559faa98e79d0b61a303cf6d6c537f4d689ab47.1588797587.git.zanussi@kernel.org> Message-Id: <a3585f91ee1ccd096183305b2b26a3f9b23de582.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 16 Feb 2015 18:49:10 +0100 Date: Mon, 16 Feb 2015 18:49:10 +0100
Subject: [PATCH 096/327] fs/aio: simple simple work Subject: [PATCH 096/327] fs/aio: simple simple work
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:768 |BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:768
|in_atomic(): 1, irqs_disabled(): 0, pid: 26, name: rcuos/2 |in_atomic(): 1, irqs_disabled(): 0, pid: 26, name: rcuos/2

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@ -1,12 +1,12 @@
From b441e3f0879e664e8a57feb984aca62a3e9fc16a Mon Sep 17 00:00:00 2001 From 562153f05c52b64eb1fbb1d914c4d13c8970e1d9 Mon Sep 17 00:00:00 2001
Message-Id: <b441e3f0879e664e8a57feb984aca62a3e9fc16a.1588797587.git.zanussi@kernel.org> Message-Id: <562153f05c52b64eb1fbb1d914c4d13c8970e1d9.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 15 Nov 2017 17:29:51 +0100 Date: Wed, 15 Nov 2017 17:29:51 +0100
Subject: [PATCH 097/327] time/hrtimer: avoid schedule_work() with interrupts Subject: [PATCH 097/327] time/hrtimer: avoid schedule_work() with interrupts
disabled disabled
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
The NOHZ code tries to schedule a workqueue with interrupts disabled. The NOHZ code tries to schedule a workqueue with interrupts disabled.
Since this does not work -RT I am switching it to swork instead. Since this does not work -RT I am switching it to swork instead.

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@ -1,12 +1,12 @@
From 9edffccea750b6ec0ab51d8e3937a13fde2cd4da Mon Sep 17 00:00:00 2001 From 9d881c5e2519bd672c3a549e82cfee2bc16ee600 Mon Sep 17 00:00:00 2001
Message-Id: <9edffccea750b6ec0ab51d8e3937a13fde2cd4da.1588797587.git.zanussi@kernel.org> Message-Id: <9d881c5e2519bd672c3a549e82cfee2bc16ee600.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 3 Jul 2018 11:25:41 +0200 Date: Tue, 3 Jul 2018 11:25:41 +0200
Subject: [PATCH 098/327] hrtimer: consolidate hrtimer_init() + Subject: [PATCH 098/327] hrtimer: consolidate hrtimer_init() +
hrtimer_init_sleeper() calls hrtimer_init_sleeper() calls
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
hrtimer_init_sleeper() calls require a prior initialisation of the hrtimer_init_sleeper() calls require a prior initialisation of the
hrtimer object with hrtimer_init(). Lets make the initialisation of hrtimer object with hrtimer_init(). Lets make the initialisation of

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From 06cbb8d5488d87cdbe5aee4ae8a6da12174d6855 Mon Sep 17 00:00:00 2001 From 6704bcf1fe74cbf53686910ac00916d3a43bfb8b Mon Sep 17 00:00:00 2001
Message-Id: <06cbb8d5488d87cdbe5aee4ae8a6da12174d6855.1588797587.git.zanussi@kernel.org> Message-Id: <6704bcf1fe74cbf53686910ac00916d3a43bfb8b.1590093525.git.zanussi@kernel.org>
In-Reply-To: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> In-Reply-To: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
References: <94c546b56877133a33b6e344bfe3ee7f698d069a.1588797587.git.zanussi@kernel.org> References: <4f310e18bbb62e33196484e72d1a7d0416189d63.1590093525.git.zanussi@kernel.org>
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:34 -0500 Date: Fri, 3 Jul 2009 08:29:34 -0500
Subject: [PATCH 099/327] hrtimers: Prepare full preemption Subject: [PATCH 099/327] hrtimers: Prepare full preemption
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.120-rt52.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.124-rt53.tar.xz
Make cancellation of a running callback in softirq context safe Make cancellation of a running callback in softirq context safe
against preemption. against preemption.

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