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[rt] Update to 3.14.10-rt7 

svn path=/dists/sid/linux/; revision=21523
This commit is contained in:
Ben Hutchings 2014-07-11 02:29:07 +00:00
parent 9828dc85d9
commit 3794c3fced
322 changed files with 862 additions and 1065 deletions
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10
debian/changelog vendored
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@ -1,3 +1,13 @@
linux (3.14.10-2) UNRELEASED; urgency=medium
* [rt] Update to 3.14.10-rt7:
- random: Do not add randomness from threaded interrupts
- rtmutex: Resolve conflicts with changes in 3.14.10
- sched: Do not clear PF_NO_SETAFFINITY flag in select_fallback_rq()
- workqueue: Prevent deadlock/stall on RT
-- Ben Hutchings <ben@decadent.org.uk> Fri, 11 Jul 2014 02:59:32 +0100
linux (3.14.10-1) unstable; urgency=high linux (3.14.10-1) unstable; urgency=high
* New upstream stable update: * New upstream stable update:

2
debian/patches/features/all/rt/0001-sparc64-use-generic-rwsem-spinlocks-rt.patch vendored
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@ -2,7 +2,7 @@ From d6a6675d436897cd1b09e299436df3499abd753e Mon Sep 17 00:00:00 2001
From: Allen Pais <allen.pais@oracle.com> From: Allen Pais <allen.pais@oracle.com>
Date: Fri, 13 Dec 2013 09:44:41 +0530 Date: Fri, 13 Dec 2013 09:44:41 +0530
Subject: [PATCH 1/3] sparc64: use generic rwsem spinlocks rt Subject: [PATCH 1/3] sparc64: use generic rwsem spinlocks rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Allen Pais <allen.pais@oracle.com> Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

2
debian/patches/features/all/rt/0002-kernel-SRCU-provide-a-static-initializer.patch vendored
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@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 19 Mar 2013 14:44:30 +0100 Date: Tue, 19 Mar 2013 14:44:30 +0100
Subject: [PATCH] kernel/SRCU: provide a static initializer Subject: [PATCH] kernel/SRCU: provide a static initializer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
There are macros for static initializer for the three out of four There are macros for static initializer for the three out of four
possible notifier types, that are: possible notifier types, that are:

2
debian/patches/features/all/rt/0002-x86-highmem-add-a-already-used-pte-check.patch vendored
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@ -2,7 +2,7 @@ From 65513f34449eedb6b84c24a3583266534c1627e4 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 11 Mar 2013 17:09:55 +0100 Date: Mon, 11 Mar 2013 17:09:55 +0100
Subject: [PATCH 2/6] x86/highmem: add a "already used pte" check Subject: [PATCH 2/6] x86/highmem: add a "already used pte" check
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
This is a copy from kmap_atomic_prot(). This is a copy from kmap_atomic_prot().

2
debian/patches/features/all/rt/0003-arm-highmem-flush-tlb-on-unmap.patch vendored
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@ -2,7 +2,7 @@ From e2ca4d092d9c6e6b07b465b4d81da207bbcc7437 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 11 Mar 2013 21:37:27 +0100 Date: Mon, 11 Mar 2013 21:37:27 +0100
Subject: [PATCH 3/6] arm/highmem: flush tlb on unmap Subject: [PATCH 3/6] arm/highmem: flush tlb on unmap
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The tlb should be flushed on unmap and thus make the mapping entry The tlb should be flushed on unmap and thus make the mapping entry
invalid. This is only done in the non-debug case which does not look invalid. This is only done in the non-debug case which does not look

8
debian/patches/features/all/rt/0005-futex-Ensure-lock-unlock-symetry-versus-pi_lock-and-.patch vendored
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@ -3,7 +3,7 @@ From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 1 Mar 2013 11:17:42 +0100 Date: Fri, 1 Mar 2013 11:17:42 +0100
Subject: [PATCH 5/6] futex: Ensure lock/unlock symetry versus pi_lock and Subject: [PATCH 5/6] futex: Ensure lock/unlock symetry versus pi_lock and
hash bucket lock hash bucket lock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
In exit_pi_state_list() we have the following locking construct: In exit_pi_state_list() we have the following locking construct:
@ -31,8 +31,10 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
kernel/futex.c | 2 ++ kernel/futex.c | 2 ++
1 file changed, 2 insertions(+) 1 file changed, 2 insertions(+)
--- a/kernel/futex.c Index: linux-stable/kernel/futex.c
+++ b/kernel/futex.c ===================================================================
--- linux-stable.orig/kernel/futex.c
+++ linux-stable/kernel/futex.c
@@ -710,7 +710,9 @@ void exit_pi_state_list(struct task_stru @@ -710,7 +710,9 @@ void exit_pi_state_list(struct task_stru
* task still owns the PI-state: * task still owns the PI-state:
*/ */

2
debian/patches/features/all/rt/API-cleanup-use-local_lock-not-__local_lock-for-soft.patch vendored
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@ -2,7 +2,7 @@ From 116a588e1e4b108bfd01b5ae8de602c12aec3323 Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <der.herr@hofr.at> From: Nicholas Mc Guire <der.herr@hofr.at>
Date: Fri, 17 Jan 2014 20:44:03 +0100 Date: Fri, 17 Jan 2014 20:44:03 +0100
Subject: [PATCH 7/7] API cleanup - use local_lock not __local_lock for soft Subject: [PATCH 7/7] API cleanup - use local_lock not __local_lock for soft
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
trivial API cleanup - kernel/softirq.c was mimiking local_lock. trivial API cleanup - kernel/softirq.c was mimiking local_lock.

2
debian/patches/features/all/rt/HACK-printk-drop-the-logbuf_lock-more-often.patch vendored
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@ -2,7 +2,7 @@ From b72b514282ffad0d665ea94932b968f388304079 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 21 Mar 2013 19:01:05 +0100 Date: Thu, 21 Mar 2013 19:01:05 +0100
Subject: [PATCH] HACK: printk: drop the logbuf_lock more often Subject: [PATCH] HACK: printk: drop the logbuf_lock more often
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The lock is hold with irgs off. The latency drops 500us+ on my arm bugs The lock is hold with irgs off. The latency drops 500us+ on my arm bugs
with a "full" buffer after executing "dmesg" on the shell. with a "full" buffer after executing "dmesg" on the shell.

2
debian/patches/features/all/rt/Revert-migrate_disable-pushd-down-in-atomic_dec_and_.patch vendored
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@ -3,7 +3,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 2 May 2014 17:32:30 +0200 Date: Fri, 2 May 2014 17:32:30 +0200
Subject: [PATCH] Revert "migrate_disable pushd down in Subject: [PATCH] Revert "migrate_disable pushd down in
atomic_dec_and_spin_lock" atomic_dec_and_spin_lock"
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
This reverts commit ff9c870c3e27d58c9512fad122e91436681fee5a. This reverts commit ff9c870c3e27d58c9512fad122e91436681fee5a.
Cc: stable-rt@vger.kernel.org Cc: stable-rt@vger.kernel.org

2
debian/patches/features/all/rt/Revert-x86-Disable-IST-stacks-for-debug-int-3-stack-.patch vendored
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@ -3,7 +3,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 3 Jan 2014 14:55:48 +0100 Date: Fri, 3 Jan 2014 14:55:48 +0100
Subject: [PATCH] Revert "x86: Disable IST stacks for debug/int 3/stack fault Subject: [PATCH] Revert "x86: Disable IST stacks for debug/int 3/stack fault
for PREEMPT_RT" for PREEMPT_RT"
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
where do I start. Let me explain what is going on here. The code where do I start. Let me explain what is going on here. The code
sequence sequence

2
debian/patches/features/all/rt/acpi-rt-Convert-acpi_gbl_hardware-lock-back-to-a-raw.patch vendored
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@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 13 Feb 2013 09:26:05 -0500 Date: Wed, 13 Feb 2013 09:26:05 -0500
Subject: [PATCH] acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t Subject: [PATCH] acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
We hit the following bug with 3.6-rt: We hit the following bug with 3.6-rt:

2
debian/patches/features/all/rt/allow-preemption-in-recursive-migrate_disable-call.patch vendored
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@ -2,7 +2,7 @@ From 155cf657f6ddcade424253eb58d03a170dc9f64f Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <der.herr@hofr.at> From: Nicholas Mc Guire <der.herr@hofr.at>
Date: Wed, 20 Nov 2013 07:22:09 +0800 Date: Wed, 20 Nov 2013 07:22:09 +0800
Subject: [PATCH 1/2] allow preemption in recursive migrate_disable call Subject: [PATCH 1/2] allow preemption in recursive migrate_disable call
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Minor cleanup in migrate_disable/migrate_enable. The recursive case Minor cleanup in migrate_disable/migrate_enable. The recursive case
does not need to disable preemption as it is "pinned" to the current does not need to disable preemption as it is "pinned" to the current

2
debian/patches/features/all/rt/arch-use-pagefault-disabled.patch vendored
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@ -1,7 +1,7 @@
Subject: mm: Fixup all fault handlers to check current->pagefault_disable Subject: mm: Fixup all fault handlers to check current->pagefault_disable
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 17 Mar 2011 11:32:28 +0100 Date: Thu, 17 Mar 2011 11:32:28 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Necessary for decoupling pagefault disable from preempt count. Necessary for decoupling pagefault disable from preempt count.

2
debian/patches/features/all/rt/arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch vendored
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@ -1,7 +1,7 @@
From: Benedikt Spranger <b.spranger@linutronix.de> From: Benedikt Spranger <b.spranger@linutronix.de>
Date: Sat, 6 Mar 2010 17:47:10 +0100 Date: Sat, 6 Mar 2010 17:47:10 +0100
Subject: ARM: AT91: PIT: Remove irq handler when clock event is unused Subject: ARM: AT91: PIT: Remove irq handler when clock event is unused
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Setup and remove the interrupt handler in clock event mode selection. Setup and remove the interrupt handler in clock event mode selection.
This avoids calling the (shared) interrupt handler when the device is This avoids calling the (shared) interrupt handler when the device is

2
debian/patches/features/all/rt/arm-at91-tclib-default-to-tclib-timer-for-rt.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 1 May 2010 18:29:35 +0200 Date: Sat, 1 May 2010 18:29:35 +0200
Subject: ARM: at91: tclib: Default to tclib timer for RT Subject: ARM: at91: tclib: Default to tclib timer for RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
RT is not too happy about the shared timer interrupt in AT91 RT is not too happy about the shared timer interrupt in AT91
devices. Default to tclib timer for RT. devices. Default to tclib timer for RT.

2
debian/patches/features/all/rt/arm-convert-boot-lock-to-raw.patch vendored
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@ -1,7 +1,7 @@
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] preempt-rt: Convert arm boot_lock to raw Subject: [PATCH] preempt-rt: Convert arm boot_lock to raw
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.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.

2
debian/patches/features/all/rt/arm-disable-highmem-on-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: arm-disable-highmem-on-rt.patch Subject: arm-disable-highmem-on-rt.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:09:28 +0200 Date: Mon, 18 Jul 2011 17:09:28 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/arm-enable-highmem-for-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: arm-enable-highmem-for-rt.patch Subject: arm-enable-highmem-for-rt.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 13 Feb 2013 11:03:11 +0100 Date: Wed, 13 Feb 2013 11:03:11 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/arm-preempt-lazy-support.patch vendored
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@ -1,7 +1,7 @@
Subject: arm-preempt-lazy-support.patch Subject: arm-preempt-lazy-support.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 31 Oct 2012 12:04:11 +0100 Date: Wed, 31 Oct 2012 12:04:11 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/arm-unwind-use_raw_lock.patch vendored
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@ -5,7 +5,7 @@ Subject: [PATCH RT] arm/unwind: use a raw_spin_lock
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/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Mostly unwind is done with irqs enabled however SLUB may call it with Mostly unwind is done with irqs enabled however SLUB may call it with
irqs disabled while creating a new SLUB cache. irqs disabled while creating a new SLUB cache.

2
debian/patches/features/all/rt/ata-disable-interrupts-if-non-rt.patch vendored
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@ -1,7 +1,7 @@
From: Steven Rostedt <srostedt@redhat.com> From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 3 Jul 2009 08:44:29 -0500 Date: Fri, 3 Jul 2009 08:44:29 -0500
Subject: ata: Do not disable interrupts in ide code for preempt-rt Subject: ata: Do not disable interrupts in ide code for preempt-rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Use the local_irq_*_nort variants. Use the local_irq_*_nort variants.

2
debian/patches/features/all/rt/blk-mq-revert-raw-locks-post-pone-notifier-to-POST_D.patchto-POST_D.patch vendored
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@ -2,7 +2,7 @@ From de8fa902784181346b91bd121fba824a588fa99c Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 3 May 2014 11:00:29 +0200 Date: Sat, 3 May 2014 11:00:29 +0200
Subject: [PATCH] blk-mq: revert raw locks, post pone notifier to POST_DEAD Subject: [PATCH] blk-mq: revert raw locks, post pone notifier to POST_DEAD
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The blk_mq_cpu_notify_lock should be raw because some CPU down levels The blk_mq_cpu_notify_lock should be raw because some CPU down levels
are called with interrupts off. The notifier itself calls currently one are called with interrupts off. The notifier itself calls currently one

2
debian/patches/features/all/rt/block-mq-use-cpu_light.patch vendored
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@ -2,7 +2,7 @@ From 7632d1dd96f75bdba997003fa61ab14e57afb0fe Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 9 Apr 2014 10:37:23 +0200 Date: Wed, 9 Apr 2014 10:37:23 +0200
Subject: [PATCH 5/5] block: mq: use cpu_light() Subject: [PATCH 5/5] block: mq: use cpu_light()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
there is a might sleep splat because get_cpu() disables preemption and there is a might sleep splat because get_cpu() disables preemption and
later we grab a lock. As a workaround for this we use get_cpu_light() later we grab a lock. As a workaround for this we use get_cpu_light()

2
debian/patches/features/all/rt/block-shorten-interrupt-disabled-regions.patch vendored
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@ -1,7 +1,7 @@
Subject: block: Shorten interrupt disabled regions Subject: block: Shorten interrupt disabled regions
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 22 Jun 2011 19:47:02 +0200 Date: Wed, 22 Jun 2011 19:47:02 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Moving the blk_sched_flush_plug() call out of the interrupt/preempt Moving the blk_sched_flush_plug() call out of the interrupt/preempt
disabled region in the scheduler allows us to replace disabled region in the scheduler allows us to replace

2
debian/patches/features/all/rt/block-use-cpu-chill.patch vendored
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@ -1,7 +1,7 @@
Subject: block: Use cpu_chill() for retry loops Subject: block: Use cpu_chill() for retry loops
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Dec 2012 18:28:26 +0100 Date: Thu, 20 Dec 2012 18:28:26 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Retry loops on RT might loop forever when the modifying side was Retry loops on RT might loop forever when the modifying side was
preempted. Steven also observed a live lock when there was a preempted. Steven also observed a live lock when there was a

2
debian/patches/features/all/rt/bug-rt-dependend-variants.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:58 -0500 Date: Fri, 3 Jul 2009 08:29:58 -0500
Subject: bug: BUG_ON/WARN_ON variants dependend on RT/!RT Subject: bug: BUG_ON/WARN_ON variants dependend on RT/!RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2
debian/patches/features/all/rt/clocksource-tclib-allow-higher-clockrates.patch vendored
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@ -1,7 +1,7 @@
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: clocksource: TCLIB: Allow higher clock rates for clock events Subject: clocksource: TCLIB: Allow higher clock rates for clock events
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.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.

2
debian/patches/features/all/rt/completion-use-simple-wait-queues.patch vendored
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@ -1,7 +1,7 @@
Subject: completion: Use simple wait queues Subject: completion: Use simple wait queues
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
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.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

2
debian/patches/features/all/rt/cond-resched-lock-rt-tweak.patch vendored
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@ -1,7 +1,7 @@
Subject: cond-resched-lock-rt-tweak.patch Subject: cond-resched-lock-rt-tweak.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 22:51:33 +0200 Date: Sun, 17 Jul 2011 22:51:33 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/cond-resched-softirq-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: cond-resched-softirq-fix.patch Subject: cond-resched-softirq-fix.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 14 Jul 2011 09:56:44 +0200 Date: Thu, 14 Jul 2011 09:56:44 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/condition-migration_disable-on-lock-acquisition.patch vendored
View File

@ -2,7 +2,7 @@ From 56f43bce737d3f28ad470c95fa84f824cb0d55ad Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <der.herr@hofr.at> From: Nicholas Mc Guire <der.herr@hofr.at>
Date: Thu, 21 Nov 2013 22:52:30 -0500 Date: Thu, 21 Nov 2013 22:52:30 -0500
Subject: [PATCH 2/2] condition migration_disable on lock acquisition Subject: [PATCH 2/2] condition migration_disable on lock acquisition
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
No need to unconditionally migrate_disable (what is it protecting ?) and No need to unconditionally migrate_disable (what is it protecting ?) and
re-enable on failure to acquire the lock. re-enable on failure to acquire the lock.

2
debian/patches/features/all/rt/cpu-hotplug-Document-why-PREEMPT_RT-uses-a-spinlock.patch vendored
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@ -2,7 +2,7 @@ From 107fb2b43f5c80686ee6454713f4963728ca2737 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 5 Dec 2013 09:16:52 -0500 Date: Thu, 5 Dec 2013 09:16:52 -0500
Subject: [PATCH] cpu hotplug: Document why PREEMPT_RT uses a spinlock Subject: [PATCH] cpu hotplug: Document why PREEMPT_RT uses a spinlock
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The patch: The patch:

2
debian/patches/features/all/rt/cpu-rt-make-hotplug-lock-a-sleeping-spinlock-on-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: cpu: Make hotplug.lock a "sleeping" spinlock on RT Subject: cpu: Make hotplug.lock a "sleeping" spinlock on RT
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 02 Mar 2012 10:36:57 -0500 Date: Fri, 02 Mar 2012 10:36:57 -0500
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Tasks can block on hotplug.lock in pin_current_cpu(), but their state Tasks can block on hotplug.lock in pin_current_cpu(), but their state
might be != RUNNING. So the mutex wakeup will set the state might be != RUNNING. So the mutex wakeup will set the state

2
debian/patches/features/all/rt/cpu-rt-rework-cpu-down.patch vendored
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@ -1,7 +1,7 @@
From: Steven Rostedt <srostedt@redhat.com> From: Steven Rostedt <srostedt@redhat.com>
Date: Mon, 16 Jul 2012 08:07:43 +0000 Date: Mon, 16 Jul 2012 08:07:43 +0000
Subject: cpu/rt: Rework cpu down for PREEMPT_RT Subject: cpu/rt: Rework cpu down for PREEMPT_RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Bringing a CPU down is a pain with the PREEMPT_RT kernel because Bringing a CPU down is a pain with the PREEMPT_RT kernel because
tasks can be preempted in many more places than in non-RT. In tasks can be preempted in many more places than in non-RT. In

2
debian/patches/features/all/rt/cpu-rt-variants.patch vendored
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@ -1,7 +1,7 @@
Subject: cpu-rt-variants.patch Subject: cpu-rt-variants.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Jun 2011 15:42:38 +0200 Date: Fri, 17 Jun 2011 15:42:38 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/cpu_chill-Add-a-UNINTERRUPTIBLE-hrtimer_nanosleep.patch vendored
View File

@ -2,7 +2,7 @@ From a1b3b9eafb916f839a09dcde745518a5ad6703db Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Tue, 4 Mar 2014 12:28:32 -0500 Date: Tue, 4 Mar 2014 12:28:32 -0500
Subject: [PATCH] cpu_chill: Add a UNINTERRUPTIBLE hrtimer_nanosleep Subject: [PATCH] cpu_chill: Add a UNINTERRUPTIBLE hrtimer_nanosleep
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
We hit another bug that was caused by switching cpu_chill() from We hit another bug that was caused by switching cpu_chill() from
msleep() to hrtimer_nanosleep(). msleep() to hrtimer_nanosleep().

2
debian/patches/features/all/rt/cpu_down_move_migrate_enable_back.patch vendored
View File

@ -2,7 +2,7 @@ From linux-rt-users-owner@vger.kernel.org Thu Nov 7 03:07:12 2013
From: Tiejun Chen <tiejun.chen@windriver.com> From: Tiejun Chen <tiejun.chen@windriver.com>
Subject: [v1][PATCH] cpu_down: move migrate_enable() back Subject: [v1][PATCH] cpu_down: move migrate_enable() back
Date: Thu, 7 Nov 2013 10:06:07 +0800 Date: Thu, 7 Nov 2013 10:06:07 +0800
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Commit 08c1ab68, "hotplug-use-migrate-disable.patch", intends to Commit 08c1ab68, "hotplug-use-migrate-disable.patch", intends to
use migrate_enable()/migrate_disable() to replace that combination use migrate_enable()/migrate_disable() to replace that combination

2
debian/patches/features/all/rt/cpumask-disable-offstack-on-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT Subject: cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
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
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
We can't deal with the cpumask allocations which happen in atomic We can't deal with the cpumask allocations which happen in atomic
context (see arch/x86/kernel/apic/io_apic.c) on RT right now. context (see arch/x86/kernel/apic/io_apic.c) on RT right now.

2
debian/patches/features/all/rt/crypto-Reduce-preempt-disabled-regions-more-algos.patch vendored
View File

@ -2,7 +2,7 @@ From 0fcf777e2f217e61564bd30a2c39cb49d0e0b8c3 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 21 Feb 2014 17:24:04 +0100 Date: Fri, 21 Feb 2014 17:24:04 +0100
Subject: [PATCH] crypto: Reduce preempt disabled regions, more algos Subject: [PATCH] crypto: Reduce preempt disabled regions, more algos
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Don Estabrook reported Don Estabrook reported
| kernel: WARNING: CPU: 2 PID: 858 at kernel/sched/core.c:2428 migrate_disable+0xed/0x100() | kernel: WARNING: CPU: 2 PID: 858 at kernel/sched/core.c:2428 migrate_disable+0xed/0x100()

2
debian/patches/features/all/rt/debugobjects-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: debugobjects-rt.patch Subject: debugobjects-rt.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200 Date: Sun, 17 Jul 2011 21:41:35 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

8
debian/patches/features/all/rt/disable-preempt-lazy-on-x86-64.patch vendored
View File

@ -2,7 +2,7 @@ From b862d66791544573af3ec23690f3dfa9718250b1 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 2 May 2014 21:19:26 +0200 Date: Fri, 2 May 2014 21:19:26 +0200
Subject: [PATCH] disable preempt lazy on x86-64 Subject: [PATCH] disable preempt lazy on x86-64
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
it still explodes it still explodes
@ -11,8 +11,10 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
arch/x86/Kconfig | 2 +- arch/x86/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-) 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/Kconfig Index: linux-stable/arch/x86/Kconfig
+++ b/arch/x86/Kconfig ===================================================================
--- linux-stable.orig/arch/x86/Kconfig
+++ linux-stable/arch/x86/Kconfig
@@ -21,7 +21,7 @@ config X86_64 @@ -21,7 +21,7 @@ config X86_64
### Arch settings ### Arch settings
config X86 config X86

2
debian/patches/features/all/rt/dm-make-rt-aware.patch vendored
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@ -1,7 +1,7 @@
Subject: dm: Make rt aware Subject: dm: Make rt aware
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 14 Nov 2011 23:06:09 +0100 Date: Mon, 14 Nov 2011 23:06:09 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Use the BUG_ON_NORT variant for the irq_disabled() checks. RT has Use the BUG_ON_NORT variant for the irq_disabled() checks. RT has
interrupts legitimately enabled here as we cant deadlock against the interrupts legitimately enabled here as we cant deadlock against the

2
debian/patches/features/all/rt/drivers-net-8139-disable-irq-nosync.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:24 -0500 Date: Fri, 3 Jul 2009 08:29:24 -0500
Subject: drivers/net: Use disable_irq_nosync() in 8139too Subject: drivers/net: Use disable_irq_nosync() in 8139too
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Use disable_irq_nosync() instead of disable_irq() as this might be Use disable_irq_nosync() instead of disable_irq() as this might be
called in atomic context with netpoll. called in atomic context with netpoll.

2
debian/patches/features/all/rt/drivers-net-fix-livelock-issues.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 20 Jun 2009 11:36:54 +0200 Date: Sat, 20 Jun 2009 11:36:54 +0200
Subject: drivers/net: fix livelock issues Subject: drivers/net: fix livelock issues
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Preempt-RT runs into a live lock issue with the NETDEV_TX_LOCKED micro Preempt-RT runs into a live lock issue with the NETDEV_TX_LOCKED micro
optimization. The reason is that the softirq thread is rescheduling optimization. The reason is that the softirq thread is rescheduling

2
debian/patches/features/all/rt/drivers-net-gianfar-make-rt-aware.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 1 Apr 2010 20:20:57 +0200 Date: Thu, 1 Apr 2010 20:20:57 +0200
Subject: drivers: net: gianfar: Make RT aware Subject: drivers: net: gianfar: Make RT aware
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The adjust_link() disables interrupts before taking the queue The adjust_link() disables interrupts before taking the queue
locks. On RT those locks are converted to "sleeping" locks and locks. On RT those locks are converted to "sleeping" locks and

2
debian/patches/features/all/rt/drivers-net-vortex-fix-locking-issues.patch vendored
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@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 3 Jul 2009 08:30:00 -0500 Date: Fri, 3 Jul 2009 08:30:00 -0500
Subject: drivers/net: vortex fix locking issues Subject: drivers/net: vortex fix locking issues
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Argh, cut and paste wasn't enough... Argh, cut and paste wasn't enough...

2
debian/patches/features/all/rt/drivers-random-reduce-preempt-disabled-region.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:30 -0500 Date: Fri, 3 Jul 2009 08:29:30 -0500
Subject: drivers: random: Reduce preempt disabled region Subject: drivers: random: Reduce preempt disabled region
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
No need to keep preemption disabled across the whole function. No need to keep preemption disabled across the whole function.

2
debian/patches/features/all/rt/drivers-serial-cleanup-locking-for-rt.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:01 -0500 Date: Fri, 3 Jul 2009 08:30:01 -0500
Subject: [PATCH] serial: 8250: Clean up the locking for -rt Subject: [PATCH] serial: 8250: Clean up the locking for -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
In -RT the spin_lock_irqsave() does not spin but sleep if the lock is In -RT the spin_lock_irqsave() does not spin but sleep if the lock is
taken. Before that, local_irq_save() is invoked which disables taken. Before that, local_irq_save() is invoked which disables

2
debian/patches/features/all/rt/drivers-tty-fix-omap-lock-crap.patch vendored
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@ -1,7 +1,7 @@
Subject: drivers-tty-fix-omap-lock-crap.patch Subject: drivers-tty-fix-omap-lock-crap.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 28 Jul 2011 13:32:57 +0200 Date: Thu, 28 Jul 2011 13:32:57 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/drivers-tty-pl011-irq-disable-madness.patch vendored
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@ -1,7 +1,7 @@
Subject: drivers-tty-pl011-irq-disable-madness.patch Subject: drivers-tty-pl011-irq-disable-madness.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 08 Jan 2013 21:36:51 +0100 Date: Tue, 08 Jan 2013 21:36:51 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/drm-i915-drop-trace_i915_gem_ring_dispatch-onrt.patch vendored
View File

@ -2,7 +2,7 @@ From d841118ac80c5bfb18f47984bc40687eed08b714 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 25 Apr 2013 18:12:52 +0200 Date: Thu, 25 Apr 2013 18:12:52 +0200
Subject: [PATCH] drm/i915: drop trace_i915_gem_ring_dispatch on rt Subject: [PATCH] drm/i915: drop trace_i915_gem_ring_dispatch on rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
This tracepoint is responsible for: This tracepoint is responsible for:

2
debian/patches/features/all/rt/early-printk-consolidate.patch vendored
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@ -1,7 +1,7 @@
Subject: early-printk-consolidate.patch Subject: early-printk-consolidate.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 23 Jul 2011 11:04:08 +0200 Date: Sat, 23 Jul 2011 11:04:08 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/epoll-use-get-cpu-light.patch vendored
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@ -1,7 +1,7 @@
Subject: epoll.patch Subject: epoll.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 08 Jul 2011 16:35:35 +0200 Date: Fri, 08 Jul 2011 16:35:35 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/filemap-fix-up.patch vendored
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@ -1,7 +1,7 @@
Subject: filemap-fix-up.patch Subject: filemap-fix-up.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Jun 2011 18:56:24 +0200 Date: Fri, 17 Jun 2011 18:56:24 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

39
debian/patches/features/all/rt/fix-latency-histogram-after-hrtimer-set-expiry-time-before-switch_hrtimer_base.patch vendored
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@ -1,39 +0,0 @@
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sat, 28 Jun 2014 23:34:48 +0100
Subject: Fix latency histogram after "hrtimer: Set expiry time before switch_hrtimer_base()"
Forwarded: http://mid.gmane.org/1403994888.23472.116.camel@deadeye.wl.decadent.org.uk
In an rt-kernel with CONFIG_MISSED_TIMER_OFFSETS_HIST enabled,
__hrtimer_start_range_ns() now crashes, as new_base is not assigned
before it is used.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Tested-by: Carsten Emde <C.Emde@osadl.org>
Cc: stable-rt@vger.kernel.org
---
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1106,6 +1106,11 @@ int __hrtimer_start_range_ns(struct hrti
#endif
}
+ hrtimer_set_expires_range_ns(timer, tim, delta_ns);
+
+ /* Switch the timer base, if necessary: */
+ new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);
+
#ifdef CONFIG_MISSED_TIMER_OFFSETS_HIST
{
ktime_t now = new_base->get_time();
@@ -1117,11 +1122,6 @@ int __hrtimer_start_range_ns(struct hrti
}
#endif
- hrtimer_set_expires_range_ns(timer, tim, delta_ns);
-
- /* Switch the timer base, if necessary: */
- new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);
-
timer_stats_hrtimer_set_start_info(timer);
leftmost = enqueue_hrtimer(timer, new_base);

2
debian/patches/features/all/rt/fix-rt-int3-x86_32-3.2-rt.patch vendored
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@ -1,6 +1,6 @@
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Subject: x86: Do not disable preemption in int3 on 32bit Subject: x86: Do not disable preemption in int3 on 32bit
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Preemption must be disabled before enabling interrupts in do_trap Preemption must be disabled before enabling interrupts in do_trap
on x86_64 because the stack in use for int3 and debug is a per CPU on x86_64 because the stack in use for int3 and debug is a per CPU

2
debian/patches/features/all/rt/fixup_opencoded_completions.patch vendored
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@ -2,7 +2,7 @@ From 53a9508f5983092928b0e6e12f400b686e1f04b1 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 28 Oct 2013 11:50:06 +0100 Date: Mon, 28 Oct 2013 11:50:06 +0100
Subject: [PATCH] a few open coded completions Subject: [PATCH] a few open coded completions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- ---

2
debian/patches/features/all/rt/fs-block-rt-support.patch vendored
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@ -1,7 +1,7 @@
Subject: fs-block-rt-support.patch Subject: fs-block-rt-support.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 14 Jun 2011 17:05:09 +0200 Date: Tue, 14 Jun 2011 17:05:09 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/fs-dcache-use-cpu-chill-in-trylock-loops.patch vendored
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@ -1,7 +1,7 @@
Subject: fs: dcache: Use cpu_chill() in trylock loops Subject: fs: dcache: Use cpu_chill() in trylock loops
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 07 Mar 2012 21:00:34 +0100 Date: Wed, 07 Mar 2012 21:00:34 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Retry loops on RT might loop forever when the modifying side was Retry loops on RT might loop forever when the modifying side was
preempted. Use cpu_chill() instead of cpu_relax() to let the system preempted. Use cpu_chill() instead of cpu_relax() to let the system

2
debian/patches/features/all/rt/fs-jbd-pull-plug-when-waiting-for-space.patch vendored
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@ -1,7 +1,7 @@
From: Mike Galbraith <mgalbraith@suse.de> From: Mike Galbraith <mgalbraith@suse.de>
Date: Wed, 11 Jul 2012 22:05:20 +0000 Date: Wed, 11 Jul 2012 22:05:20 +0000
Subject: fs, jbd: pull your plug when waiting for space Subject: fs, jbd: pull your plug when waiting for space
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
With an -rt kernel, and a heavy sync IO load, tasks can jam With an -rt kernel, and a heavy sync IO load, tasks can jam
up on journal locks without unplugging, which can lead to up on journal locks without unplugging, which can lead to

2
debian/patches/features/all/rt/fs-jbd-replace-bh_state-lock.patch vendored
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@ -1,7 +1,7 @@
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: fs: jbd/jbd2: Make state lock and journal head lock rt safe Subject: fs: jbd/jbd2: Make state lock and journal head lock rt safe
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
bit_spin_locks break under RT. bit_spin_locks break under RT.

2
debian/patches/features/all/rt/fs-jbd2-pull-your-plug-when-waiting-for-space.patch vendored
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@ -2,7 +2,7 @@ From c28e07715162bb1e1567a935b45772ca85a5267c Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 17 Feb 2014 17:30:03 +0100 Date: Mon, 17 Feb 2014 17:30:03 +0100
Subject: [PATCH] fs: jbd2: pull your plug when waiting for space Subject: [PATCH] fs: jbd2: pull your plug when waiting for space
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Two cps in parallel managed to stall the the ext4 fs. It seems that Two cps in parallel managed to stall the the ext4 fs. It seems that
journal code is either waiting for locks or sleeping waiting for journal code is either waiting for locks or sleeping waiting for

2
debian/patches/features/all/rt/fs-namespace-preemption-fix.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 19 Jul 2009 08:44:27 -0500 Date: Sun, 19 Jul 2009 08:44:27 -0500
Subject: fs: namespace preemption fix Subject: fs: namespace preemption fix
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
On RT we cannot loop with preemption disabled here as On RT we cannot loop with preemption disabled here as
mnt_make_readonly() might have been preempted. We can safely enable mnt_make_readonly() might have been preempted. We can safely enable

2
debian/patches/features/all/rt/fs-ntfs-disable-interrupt-non-rt.patch vendored
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@ -1,7 +1,7 @@
From: Mike Galbraith <efault@gmx.de> From: Mike Galbraith <efault@gmx.de>
Date: Fri, 3 Jul 2009 08:44:12 -0500 Date: Fri, 3 Jul 2009 08:44:12 -0500
Subject: fs: ntfs: disable interrupt only on !RT Subject: fs: ntfs: disable interrupt only on !RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
On Sat, 2007-10-27 at 11:44 +0200, Ingo Molnar wrote: On Sat, 2007-10-27 at 11:44 +0200, Ingo Molnar wrote:
> * Nick Piggin <nickpiggin@yahoo.com.au> wrote: > * Nick Piggin <nickpiggin@yahoo.com.au> wrote:

2
debian/patches/features/all/rt/fs-replace-bh_uptodate_lock-for-rt.patch vendored
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@ -1,7 +1,7 @@
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: buffer_head: Replace bh_uptodate_lock for -rt Subject: buffer_head: Replace bh_uptodate_lock for -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.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.

2
debian/patches/features/all/rt/ftrace-migrate-disable-tracing.patch vendored
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@ -1,7 +1,7 @@
Subject: ftrace-migrate-disable-tracing.patch Subject: ftrace-migrate-disable-tracing.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:56:42 +0200 Date: Sun, 17 Jul 2011 21:56:42 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

20
debian/patches/features/all/rt/futex-requeue-pi-fix.patch vendored
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@ -1,6 +1,6 @@
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Subject: futex: Fix bug on when a requeued RT task times out Subject: futex: Fix bug on when a requeued RT task times out
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Requeue with timeout causes a bug with PREEMPT_RT_FULL. Requeue with timeout causes a bug with PREEMPT_RT_FULL.
@ -53,8 +53,10 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/locking/rtmutex_common.h | 1 + kernel/locking/rtmutex_common.h | 1 +
2 files changed, 32 insertions(+), 1 deletion(-) 2 files changed, 32 insertions(+), 1 deletion(-)
--- a/kernel/locking/rtmutex.c Index: linux-stable/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c ===================================================================
--- linux-stable.orig/kernel/locking/rtmutex.c
+++ linux-stable/kernel/locking/rtmutex.c
@@ -71,7 +71,8 @@ static void fixup_rt_mutex_waiters(struc @@ -71,7 +71,8 @@ static void fixup_rt_mutex_waiters(struc
static int rt_mutex_real_waiter(struct rt_mutex_waiter *waiter) static int rt_mutex_real_waiter(struct rt_mutex_waiter *waiter)
@ -65,7 +67,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
} }
/* /*
@@ -1110,6 +1111,35 @@ int rt_mutex_start_proxy_lock(struct rt_ @@ -1307,6 +1308,35 @@ int rt_mutex_start_proxy_lock(struct rt_
return 1; return 1;
} }
@ -98,11 +100,13 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+ raw_spin_unlock_irq(&task->pi_lock); + raw_spin_unlock_irq(&task->pi_lock);
+#endif +#endif
+ +
ret = task_blocks_on_rt_mutex(lock, waiter, task, detect_deadlock); /* We enforce deadlock detection for futexes */
ret = task_blocks_on_rt_mutex(lock, waiter, task, 1);
if (ret && !rt_mutex_owner(lock)) { Index: linux-stable/kernel/locking/rtmutex_common.h
--- a/kernel/locking/rtmutex_common.h ===================================================================
+++ b/kernel/locking/rtmutex_common.h --- linux-stable.orig/kernel/locking/rtmutex_common.h
+++ linux-stable/kernel/locking/rtmutex_common.h
@@ -105,6 +105,7 @@ static inline struct task_struct *rt_mut @@ -105,6 +105,7 @@ static inline struct task_struct *rt_mut
* PI-futex support (proxy locking functions, etc.): * PI-futex support (proxy locking functions, etc.):
*/ */

2
debian/patches/features/all/rt/genirq-disable-irqpoll-on-rt.patch vendored
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@ -1,7 +1,7 @@
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: genirq: disable irqpoll on -rt Subject: genirq: disable irqpoll on -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Creates long latencies for no value Creates long latencies for no value

26
debian/patches/features/all/rt/genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch vendored
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@ -2,7 +2,7 @@ From 76666dbbdd40e963e7df84c123fc9aea4a2bcc69 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 21 Aug 2013 17:48:46 +0200 Date: Wed, 21 Aug 2013 17:48:46 +0200
Subject: [PATCH] genirq: do not invoke the affinity callback via a workqueue Subject: [PATCH] genirq: do not invoke the affinity callback via a workqueue
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Joe Korty reported, that __irq_set_affinity_locked() schedules a Joe Korty reported, that __irq_set_affinity_locked() schedules a
workqueue while holding a rawlock which results in a might_sleep() workqueue while holding a rawlock which results in a might_sleep()
@ -11,15 +11,15 @@ This patch moves the invokation into a process context so that we only
wakeup() a process while holding the lock. wakeup() a process while holding the lock.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[bwh: Adjust context to apply after commit 01f8fa4f01d8 ('genirq: Allow
forcing cpu affinity of interrupts') in 3.14.6]
--- ---
include/linux/interrupt.h | 1 include/linux/interrupt.h | 1
kernel/irq/manage.c | 79 ++++++++++++++++++++++++++++++++++++++++++++-- kernel/irq/manage.c | 79 ++++++++++++++++++++++++++++++++++++++++++++--
2 files changed, 77 insertions(+), 3 deletions(-) 2 files changed, 77 insertions(+), 3 deletions(-)
--- a/include/linux/interrupt.h Index: linux-stable/include/linux/interrupt.h
+++ b/include/linux/interrupt.h ===================================================================
--- linux-stable.orig/include/linux/interrupt.h
+++ linux-stable/include/linux/interrupt.h
@@ -257,6 +257,7 @@ struct irq_affinity_notify { @@ -257,6 +257,7 @@ struct irq_affinity_notify {
unsigned int irq; unsigned int irq;
struct kref kref; struct kref kref;
@ -28,11 +28,13 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
void (*notify)(struct irq_affinity_notify *, const cpumask_t *mask); void (*notify)(struct irq_affinity_notify *, const cpumask_t *mask);
void (*release)(struct kref *ref); void (*release)(struct kref *ref);
}; };
--- a/kernel/irq/manage.c Index: linux-stable/kernel/irq/manage.c
+++ b/kernel/irq/manage.c ===================================================================
@@ -164,6 +164,62 @@ int irq_do_set_affinity(struct irq_data --- linux-stable.orig/kernel/irq/manage.c
return ret; +++ linux-stable/kernel/irq/manage.c
} @@ -145,6 +145,62 @@ static inline void
irq_get_pending(struct cpumask *mask, struct irq_desc *desc) { }
#endif
+#ifdef CONFIG_PREEMPT_RT_FULL +#ifdef CONFIG_PREEMPT_RT_FULL
+static void _irq_affinity_notify(struct irq_affinity_notify *notify); +static void _irq_affinity_notify(struct irq_affinity_notify *notify);
@ -90,8 +92,8 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+ +
+#endif +#endif
+ +
int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask, int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
bool force) bool force)
{ {
@@ -183,7 +239,17 @@ int irq_set_affinity_locked(struct irq_d @@ -183,7 +239,17 @@ int irq_set_affinity_locked(struct irq_d

2
debian/patches/features/all/rt/genirq-force-threading.patch vendored
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@ -1,7 +1,7 @@
Subject: genirq-force-threading.patch Subject: genirq-force-threading.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 03 Apr 2011 11:57:29 +0200 Date: Sun, 03 Apr 2011 11:57:29 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/genirq-nodebug-shirq.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 18 Mar 2011 10:22:04 +0100 Date: Sun, 18 Mar 2011 10:22:04 +0100
Subject: genirq: Disable DEBUG_SHIRQ for rt Subject: genirq: Disable DEBUG_SHIRQ for rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/hotplug-light-get-online-cpus.patch vendored
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@ -1,7 +1,7 @@
Subject: hotplug: Lightweight get online cpus Subject: hotplug: Lightweight get online cpus
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Jun 2011 12:36:06 +0200 Date: Wed, 15 Jun 2011 12:36:06 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
get_online_cpus() is a heavy weight function which involves a global get_online_cpus() is a heavy weight function which involves a global
mutex. migrate_disable() wants a simpler construct which prevents only mutex. migrate_disable() wants a simpler construct which prevents only

2
debian/patches/features/all/rt/hotplug-sync_unplug-no-27-5cn-27-in-task-name.patch vendored
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@ -1,7 +1,7 @@
Subject: hotplug: sync_unplug: No "\n" in task name Subject: hotplug: sync_unplug: No "\n" in task name
From: Yong Zhang <yong.zhang0@gmail.com> From: Yong Zhang <yong.zhang0@gmail.com>
Date: Sun, 16 Oct 2011 18:56:43 +0800 Date: Sun, 16 Oct 2011 18:56:43 +0800
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Otherwise the output will look a little odd. Otherwise the output will look a little odd.

2
debian/patches/features/all/rt/hotplug-use-migrate-disable.patch vendored
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@ -1,7 +1,7 @@
Subject: hotplug-use-migrate-disable.patch Subject: hotplug-use-migrate-disable.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 19:35:29 +0200 Date: Sun, 17 Jul 2011 19:35:29 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/hrtimer-Move-schedule_work-call-to-helper-thread.patch vendored
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@ -2,7 +2,7 @@ From 180cdb93d796bf52c919f5e3df30af83aa6d46ca Mon Sep 17 00:00:00 2001
From: Yang Shi <yang.shi@windriver.com> From: Yang Shi <yang.shi@windriver.com>
Date: Mon, 16 Sep 2013 14:09:19 -0700 Date: Mon, 16 Sep 2013 14:09:19 -0700
Subject: [PATCH] hrtimer: Move schedule_work call to helper thread Subject: [PATCH] hrtimer: Move schedule_work call to helper thread
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
When run ltp leapsec_timer test, the following call trace is caught: When run ltp leapsec_timer test, the following call trace is caught:

2
debian/patches/features/all/rt/hrtimer-fixup-hrtimer-callback-changes-for-preempt-r.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 3 Jul 2009 08:44:31 -0500 Date: Fri, 3 Jul 2009 08:44:31 -0500
Subject: hrtimer: fixup hrtimer callback changes for preempt-rt Subject: hrtimer: fixup hrtimer callback changes for preempt-rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
In preempt-rt we can not call the callbacks which take sleeping locks In preempt-rt we can not call the callbacks which take sleeping locks
from the timer interrupt context. from the timer interrupt context.

2
debian/patches/features/all/rt/hrtimer-raise-softirq-if-hrtimer-irq-stalled.patch vendored
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@ -1,7 +1,7 @@
Subject: hrtimer: Raise softirq if hrtimer irq stalled Subject: hrtimer: Raise softirq if hrtimer irq stalled
From: Watanabe <shunsuke.watanabe@tel.com> From: Watanabe <shunsuke.watanabe@tel.com>
Date: Sun, 28 Oct 2012 11:13:44 +0100 Date: Sun, 28 Oct 2012 11:13:44 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
When the hrtimer stall detection hits the softirq is not raised. When the hrtimer stall detection hits the softirq is not raised.

2
debian/patches/features/all/rt/hrtimers-prepare-full-preemption.patch vendored
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@ -1,7 +1,7 @@
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: hrtimers: prepare full preemption Subject: hrtimers: prepare full preemption
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.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.

2
debian/patches/features/all/rt/hwlat-detector-Don-t-ignore-threshold-module-paramet.patch vendored
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@ -2,7 +2,7 @@ From c19bf3baaa55918486b868ab17aae0c0c220e51f Mon Sep 17 00:00:00 2001
From: Mike Galbraith <bitbucket@online.de> From: Mike Galbraith <bitbucket@online.de>
Date: Fri, 30 Aug 2013 07:57:25 +0200 Date: Fri, 30 Aug 2013 07:57:25 +0200
Subject: [PATCH] hwlat-detector: Don't ignore threshold module parameter Subject: [PATCH] hwlat-detector: Don't ignore threshold module parameter
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
If the user specified a threshold at module load time, use it. If the user specified a threshold at module load time, use it.

2
debian/patches/features/all/rt/hwlat-detector-Update-hwlat_detector-to-add-outer-lo.patch vendored
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@ -3,7 +3,7 @@ From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 19 Aug 2013 17:33:25 -0400 Date: Mon, 19 Aug 2013 17:33:25 -0400
Subject: [PATCH 1/3] hwlat-detector: Update hwlat_detector to add outer loop Subject: [PATCH 1/3] hwlat-detector: Update hwlat_detector to add outer loop
detection detection
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The hwlat_detector reads two timestamps in a row, then reports any The hwlat_detector reads two timestamps in a row, then reports any
gap between those calls. The problem is, it misses everything between gap between those calls. The problem is, it misses everything between

2
debian/patches/features/all/rt/hwlat-detector-Use-thread-instead-of-stop-machine.patch vendored
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@ -2,7 +2,7 @@ From 42b3963c5d3dcdb54226fc6bbb6b5fbcf3f2ddee Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 19 Aug 2013 17:33:27 -0400 Date: Mon, 19 Aug 2013 17:33:27 -0400
Subject: [PATCH 3/3] hwlat-detector: Use thread instead of stop machine Subject: [PATCH 3/3] hwlat-detector: Use thread instead of stop machine
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
There's no reason to use stop machine to search for hardware latency. There's no reason to use stop machine to search for hardware latency.
Simply disabling interrupts while running the loop will do enough to Simply disabling interrupts while running the loop will do enough to

2
debian/patches/features/all/rt/hwlat-detector-Use-trace_clock_local-if-available.patch vendored
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@ -2,7 +2,7 @@ From 4aaca90c0255caee9a55371afaecb32365123762 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org> From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 19 Aug 2013 17:33:26 -0400 Date: Mon, 19 Aug 2013 17:33:26 -0400
Subject: [PATCH 2/3] hwlat-detector: Use trace_clock_local if available Subject: [PATCH 2/3] hwlat-detector: Use trace_clock_local if available
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
As ktime_get() calls into the timing code which does a read_seq(), it As ktime_get() calls into the timing code which does a read_seq(), it
may be affected by other CPUS that touch that lock. To remove this may be affected by other CPUS that touch that lock. To remove this

2
debian/patches/features/all/rt/hwlatdetect.patch vendored
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@ -1,7 +1,7 @@
Subject: hwlatdetect.patch Subject: hwlatdetect.patch
From: Carsten Emde <C.Emde@osadl.org> From: Carsten Emde <C.Emde@osadl.org>
Date: Tue, 19 Jul 2011 13:53:12 +0100 Date: Tue, 19 Jul 2011 13:53:12 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Jon Masters developed this wonderful SMI detector. For details please Jon Masters developed this wonderful SMI detector. For details please
consult Documentation/hwlat_detector.txt. It could be ported to Linux consult Documentation/hwlat_detector.txt. It could be ported to Linux

2
debian/patches/features/all/rt/i2c-omap-drop-the-lock-hard-irq-context.patch vendored
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@ -2,7 +2,7 @@ From 5145351047b216cca13aaca99f939a9a594c6c4d Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 21 Mar 2013 11:35:49 +0100 Date: Thu, 21 Mar 2013 11:35:49 +0100
Subject: [PATCH 2/3] i2c/omap: drop the lock hard irq context Subject: [PATCH 2/3] i2c/omap: drop the lock hard irq context
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The lock is taken while reading two registers. On RT the first lock is The lock is taken while reading two registers. On RT the first lock is
taken in hard irq where it might sleep and in the threaded irq. taken in hard irq where it might sleep and in the threaded irq.

2
debian/patches/features/all/rt/i915_compile_fix.patch vendored
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@ -1,6 +1,6 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: gpu/i915: don't open code these things Subject: gpu/i915: don't open code these things
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The opencode part is gone in 1f83fee0 ("drm/i915: clear up wedged transitions") The opencode part is gone in 1f83fee0 ("drm/i915: clear up wedged transitions")
the owner check is still there. the owner check is still there.

2
debian/patches/features/all/rt/ide-use-nort-local-irq-variants.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:16 -0500 Date: Fri, 3 Jul 2009 08:30:16 -0500
Subject: ide: Do not disable interrupts for PREEMPT-RT Subject: ide: Do not disable interrupts for PREEMPT-RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Use the local_irq_*_nort variants. Use the local_irq_*_nort variants.

2
debian/patches/features/all/rt/idr-use-local-lock-for-protection.patch vendored
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@ -1,6 +1,6 @@
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Subject: idr: Use local lock instead of preempt enable/disable Subject: idr: Use local lock instead of preempt enable/disable
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
We need to protect the per cpu variable and prevent migration. We need to protect the per cpu variable and prevent migration.

2
debian/patches/features/all/rt/infiniband-mellanox-ib-use-nort-irq.patch vendored
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@ -1,7 +1,7 @@
From: Sven-Thorsten Dietrich <sdietrich@novell.com> From: Sven-Thorsten Dietrich <sdietrich@novell.com>
Date: Fri, 3 Jul 2009 08:30:35 -0500 Date: Fri, 3 Jul 2009 08:30:35 -0500
Subject: infiniband: Mellanox IB driver patch use _nort() primitives Subject: infiniband: Mellanox IB driver patch use _nort() primitives
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Fixes in_atomic stack-dump, when Mellanox module is loaded into the RT Fixes in_atomic stack-dump, when Mellanox module is loaded into the RT
Kernel. Kernel.

2
debian/patches/features/all/rt/inpt-gameport-use-local-irq-nort.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:16 -0500 Date: Fri, 3 Jul 2009 08:30:16 -0500
Subject: input: gameport: Do not disable interrupts on PREEMPT_RT Subject: input: gameport: Do not disable interrupts on PREEMPT_RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Use the _nort() primitives. Use the _nort() primitives.

2
debian/patches/features/all/rt/ipc-make-rt-aware.patch vendored
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@ -1,7 +1,7 @@
From: Ingo Molnar <mingo@elte.hu> From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:12 -0500 Date: Fri, 3 Jul 2009 08:30:12 -0500
Subject: ipc: Make the ipc code -rt aware Subject: ipc: Make the ipc code -rt aware
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
RT serializes the code with the (rt)spinlock but keeps preemption RT serializes the code with the (rt)spinlock but keeps preemption
enabled. Some parts of the code need to be atomic nevertheless. enabled. Some parts of the code need to be atomic nevertheless.

2
debian/patches/features/all/rt/ipc-mqueue-add-a-critical-section-to-avoid-a-deadlock.patch vendored
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@ -1,7 +1,7 @@
Subject: ipc/mqueue: Add a critical section to avoid a deadlock Subject: ipc/mqueue: Add a critical section to avoid a deadlock
From: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp> From: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
Date: Sat, 23 Jul 2011 11:57:36 +0900 Date: Sat, 23 Jul 2011 11:57:36 +0900
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
(Repost for v3.0-rt1 and changed the distination addreses) (Repost for v3.0-rt1 and changed the distination addreses)
I have tested the following patch on v3.0-rt1 with PREEMPT_RT_FULL. I have tested the following patch on v3.0-rt1 with PREEMPT_RT_FULL.

2
debian/patches/features/all/rt/ipc-sem-rework-semaphore-wakeups.patch vendored
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@ -1,7 +1,7 @@
Subject: ipc/sem: Rework semaphore wakeups Subject: ipc/sem: Rework semaphore wakeups
From: Peter Zijlstra <peterz@infradead.org> From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 14 Sep 2011 11:57:04 +0200 Date: Wed, 14 Sep 2011 11:57:04 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Current sysv sems have a weird ass wakeup scheme that involves keeping Current sysv sems have a weird ass wakeup scheme that involves keeping
preemption disabled over a potential O(n^2) loop and busy waiting on preemption disabled over a potential O(n^2) loop and busy waiting on

2
debian/patches/features/all/rt/irq-allow-disabling-of-softirq-processing-in-irq-thread-context.patch vendored
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@ -1,7 +1,7 @@
Subject: genirq: Allow disabling of softirq processing in irq thread context Subject: genirq: Allow disabling of softirq processing in irq thread context
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 31 Jan 2012 13:01:27 +0100 Date: Tue, 31 Jan 2012 13:01:27 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
The processing of softirqs in irq thread context is a performance gain The processing of softirqs in irq thread context is a performance gain
for the non-rt workloads of a system, but it's counterproductive for for the non-rt workloads of a system, but it's counterproductive for

2
debian/patches/features/all/rt/irq_work-allow-certain-work-in-hard-irq-context.patch vendored
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@ -2,7 +2,7 @@ From 8e48945ae26991b40973b233f34937477dcf97ab Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 31 Jan 2014 14:20:31 +0100 Date: Fri, 31 Jan 2014 14:20:31 +0100
Subject: [PATCH 1/7] irq_work: allow certain work in hard irq context Subject: [PATCH 1/7] irq_work: allow certain work in hard irq context
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
irq_work is processed in softirq context on -RT because we want to avoid irq_work is processed in softirq context on -RT because we want to avoid
long latencies which might arise from processing lots of perf events. long latencies which might arise from processing lots of perf events.

2
debian/patches/features/all/rt/jump-label-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: jump-label-rt.patch Subject: jump-label-rt.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 13 Jul 2011 11:03:16 +0200 Date: Wed, 13 Jul 2011 11:03:16 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/kconfig-disable-a-few-options-rt.patch vendored
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@ -1,7 +1,7 @@
Subject: kconfig-disable-a-few-options-rt.patch Subject: kconfig-disable-a-few-options-rt.patch
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
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Disable stuff which is known to have issues on RT Disable stuff which is known to have issues on RT

2
debian/patches/features/all/rt/kconfig-preempt-rt-full.patch vendored
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@ -1,7 +1,7 @@
Subject: kconfig-preempt-rt-full.patch Subject: kconfig-preempt-rt-full.patch
From: Thomas Gleixner <tglx@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 29 Jun 2011 14:58:57 +0200 Date: Wed, 29 Jun 2011 14:58:57 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
--- ---

2
debian/patches/features/all/rt/kernel-cpu-fix-cpu-down-problem-if-kthread-s-cpu-is-.patch vendored
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@ -3,7 +3,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 7 Jun 2013 22:37:06 +0200 Date: Fri, 7 Jun 2013 22:37:06 +0200
Subject: [PATCH] kernel/cpu: fix cpu down problem if kthread's cpu is Subject: [PATCH] kernel/cpu: fix cpu down problem if kthread's cpu is
going down going down
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
If kthread is pinned to CPUx and CPUx is going down then we get into If kthread is pinned to CPUx and CPUx is going down then we get into
trouble: trouble:

2
debian/patches/features/all/rt/kernel-hotplug-restore-original-cpu-mask-oncpu-down.patch vendored
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@ -2,7 +2,7 @@ From 4c6df3d78817c20a147c0291f6600d002c0910d3 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 14 Jun 2013 17:16:35 +0200 Date: Fri, 14 Jun 2013 17:16:35 +0200
Subject: [PATCH] kernel/hotplug: restore original cpu mask oncpu/down Subject: [PATCH] kernel/hotplug: restore original cpu mask oncpu/down
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
If a task which is allowed to run only on CPU X puts CPU Y down then it If a task which is allowed to run only on CPU X puts CPU Y down then it
will be allowed on all CPUs but the on CPU Y after it comes back from will be allowed on all CPUs but the on CPU Y after it comes back from

2
debian/patches/features/all/rt/kernel-hrtimer-be-non-freezeable-in-cpu_chill.patch vendored
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@ -2,7 +2,7 @@ From 9a1a63848887fd99e6be49a3925d65751e424c8a Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 19 Feb 2014 11:56:06 +0100 Date: Wed, 19 Feb 2014 11:56:06 +0100
Subject: [PATCH] kernel/hrtimer: be non-freezeable in cpu_chill() Subject: [PATCH] kernel/hrtimer: be non-freezeable in cpu_chill()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.3-rt5.tar.xz Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
Since we replaced msleep() by hrtimer I see now and then (rarely) this: Since we replaced msleep() by hrtimer I see now and then (rarely) this:

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