[rt] Update to 3.12.6-rt9
svn path=/dists/sid/linux/; revision=20975
This commit is contained in:
parent
0cbb2e9789
commit
76c6650ee2
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@ -89,6 +89,10 @@ linux (3.12.7-1) UNRELEASED; urgency=low
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CRYPTO_DEV_NIAGARA2 as modules
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- [x86] Enable CRYPTO_CRC32_PCLMUL as module
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* [powerpc] Remove AT_HWCAP2 from auxv to avoid module ABI change
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* [rt] Update to 3.12.6-rt9:
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- rcu: Don't activate RCU core on NO_HZ_FULL CPUs
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- timers: do not raise softirq unconditionally
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- rcutree/rcu_bh_qs: disable irq while calling rcu_preempt_qs()
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-- Ben Hutchings <ben@decadent.org.uk> Thu, 02 Jan 2014 01:26:59 +0000
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@ -2,7 +2,7 @@ From d6a6675d436897cd1b09e299436df3499abd753e Mon Sep 17 00:00:00 2001
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From: Allen Pais <allen.pais@oracle.com>
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Date: Fri, 13 Dec 2013 09:44:41 +0530
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Subject: [PATCH 1/3] sparc64: use generic rwsem spinlocks rt
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Allen Pais <allen.pais@oracle.com>
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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@ -1,7 +1,7 @@
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Tue, 19 Mar 2013 14:44:30 +0100
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Subject: [PATCH] kernel/SRCU: provide a static initializer
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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There are macros for static initializer for the three out of four
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possible notifier types, that are:
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@ -3,7 +3,7 @@ From: Allen Pais <allen.pais@oracle.com>
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Date: Fri, 13 Dec 2013 09:44:42 +0530
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Subject: [PATCH 2/3] sparc64: convert spinlock_t to raw_spinlock_t in
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mmu_context_t
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Issue debugged by Thomas Gleixner <tglx@linutronix.de>
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@ -2,7 +2,7 @@ From 65513f34449eedb6b84c24a3583266534c1627e4 Mon Sep 17 00:00:00 2001
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Mon, 11 Mar 2013 17:09:55 +0100
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Subject: [PATCH 2/6] x86/highmem: add a "already used pte" check
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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This is a copy from kmap_atomic_prot().
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@ -2,7 +2,7 @@ From e2ca4d092d9c6e6b07b465b4d81da207bbcc7437 Mon Sep 17 00:00:00 2001
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Mon, 11 Mar 2013 21:37:27 +0100
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Subject: [PATCH 3/6] arm/highmem: flush tlb on unmap
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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The tlb should be flushed on unmap and thus make the mapping entry
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invalid. This is only done in the non-debug case which does not look
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@ -2,7 +2,7 @@ From 9c6692963c4b96a40852c7ac28e8bd7d2a421821 Mon Sep 17 00:00:00 2001
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From: Allen Pais <allen.pais@oracle.com>
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Date: Fri, 13 Dec 2013 09:44:43 +0530
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Subject: [PATCH 3/3] sparc64: convert ctx_alloc_lock raw_spinlock_t
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Allen Pais <allen.pais@oracle.com>
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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@ -3,7 +3,7 @@ From: Thomas Gleixner <tglx@linutronix.de>
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Date: Fri, 1 Mar 2013 11:17:42 +0100
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Subject: [PATCH 5/6] futex: Ensure lock/unlock symetry versus pi_lock and
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hash bucket lock
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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In exit_pi_state_list() we have the following locking construct:
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@ -2,7 +2,7 @@ From b72b514282ffad0d665ea94932b968f388304079 Mon Sep 17 00:00:00 2001
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Thu, 21 Mar 2013 19:01:05 +0100
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Subject: [PATCH] HACK: printk: drop the logbuf_lock more often
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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The lock is hold with irgs off. The latency drops 500us+ on my arm bugs
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with a "full" buffer after executing "dmesg" on the shell.
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@ -3,7 +3,7 @@ From: Wolfram Sang <wsa@the-dreams.de>
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Date: Fri, 4 Oct 2013 17:37:09 +0200
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Subject: [PATCH] Kind of revert "powerpc: 52xx: provide a default in
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mpc52xx_irqhost_map()"
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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This more or less reverts commit 6391f697d4892a6f233501beea553e13f7745a23.
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Instead of adding an unneeded 'default', mark the variable to prevent
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@ -1,7 +1,7 @@
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From: Steven Rostedt <rostedt@goodmis.org>
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Date: Wed, 13 Feb 2013 09:26:05 -0500
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Subject: [PATCH] acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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We hit the following bug with 3.6-rt:
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@ -2,7 +2,7 @@ From 155cf657f6ddcade424253eb58d03a170dc9f64f Mon Sep 17 00:00:00 2001
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From: Nicholas Mc Guire <der.herr@hofr.at>
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Date: Wed, 20 Nov 2013 07:22:09 +0800
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Subject: [PATCH 1/2] allow preemption in recursive migrate_disable call
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Minor cleanup in migrate_disable/migrate_enable. The recursive case
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does not need to disable preemption as it is "pinned" to the current
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@ -1,7 +1,7 @@
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Subject: mm: Fixup all fault handlers to check current->pagefault_disable
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Thu, 17 Mar 2011 11:32:28 +0100
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Necessary for decoupling pagefault disable from preempt count.
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@ -1,7 +1,7 @@
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From: Benedikt Spranger <b.spranger@linutronix.de>
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Date: Sat, 6 Mar 2010 17:47:10 +0100
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Subject: ARM: AT91: PIT: Remove irq handler when clock event is unused
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Setup and remove the interrupt handler in clock event mode selection.
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This avoids calling the (shared) interrupt handler when the device is
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@ -9,7 +9,7 @@ not used.
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Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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[bigeasy: redo the patch with NR_IRQS_LEGACY which is probabyl required since
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[bigeasy: redo the patch with NR_IRQS_LEGACY which is probably required since
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commit 8fe82a55 ("ARM: at91: sparse irq support") which is included since v3.6.
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Patch based on what Sami Pietikäinen <Sami.Pietikainen@wapice.com> suggested].
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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@ -1,7 +1,7 @@
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sat, 1 May 2010 18:29:35 +0200
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Subject: ARM: at91: tclib: Default to tclib timer for RT
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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RT is not too happy about the shared timer interrupt in AT91
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devices. Default to tclib timer for RT.
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@ -1,7 +1,7 @@
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From: Frank Rowand <frank.rowand@am.sony.com>
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Date: Mon, 19 Sep 2011 14:51:14 -0700
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Subject: [PATCH] preempt-rt: Convert arm boot_lock to raw
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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The arm boot_lock is used by the secondary processor startup code. The locking
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task is the idle thread, which has idle->sched_class == &idle_sched_class.
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@ -25,9 +25,10 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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arch/arm/mach-omap2/omap-smp.c | 10 +++++-----
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arch/arm/mach-prima2/platsmp.c | 10 +++++-----
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arch/arm/mach-spear/platsmp.c | 10 +++++-----
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arch/arm/mach-sti/platsmp.c | 10 +++++-----
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arch/arm/mach-ux500/platsmp.c | 10 +++++-----
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arch/arm/plat-versatile/platsmp.c | 10 +++++-----
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7 files changed, 36 insertions(+), 36 deletions(-)
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8 files changed, 41 insertions(+), 41 deletions(-)
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--- a/arch/arm/mach-exynos/platsmp.c
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+++ b/arch/arm/mach-exynos/platsmp.c
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@ -234,6 +235,46 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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* calibrations, then wait for it to finish
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*/
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- spin_unlock(&boot_lock);
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+ raw_spin_unlock(&boot_lock);
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return pen_release != -1 ? -ENOSYS : 0;
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}
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--- a/arch/arm/mach-sti/platsmp.c
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+++ b/arch/arm/mach-sti/platsmp.c
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@@ -35,7 +35,7 @@ static void write_pen_release(int val)
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outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1));
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}
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-static DEFINE_SPINLOCK(boot_lock);
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+static DEFINE_RAW_SPINLOCK(boot_lock);
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void sti_secondary_init(unsigned int cpu)
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{
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@@ -50,8 +50,8 @@ void sti_secondary_init(unsigned int cpu
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/*
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* Synchronise with the boot thread.
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*/
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- spin_lock(&boot_lock);
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- spin_unlock(&boot_lock);
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+ raw_spin_lock(&boot_lock);
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+ raw_spin_unlock(&boot_lock);
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}
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int sti_boot_secondary(unsigned int cpu, struct task_struct *idle)
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@@ -62,7 +62,7 @@ int sti_boot_secondary(unsigned int cpu,
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* set synchronisation state between this boot processor
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* and the secondary one
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*/
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- spin_lock(&boot_lock);
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+ raw_spin_lock(&boot_lock);
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/*
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* The secondary processor is waiting to be released from
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@@ -93,7 +93,7 @@ int sti_boot_secondary(unsigned int cpu,
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* now the secondary core is starting up let it run its
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* calibrations, then wait for it to finish
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*/
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- spin_unlock(&boot_lock);
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+ raw_spin_unlock(&boot_lock);
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return pen_release != -1 ? -ENOSYS : 0;
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@ -1,7 +1,7 @@
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Subject: arm-disable-highmem-on-rt.patch
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Mon, 18 Jul 2011 17:09:28 +0200
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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@ -1,7 +1,7 @@
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Subject: arm-enable-highmem-for-rt.patch
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Wed, 13 Feb 2013 11:03:11 +0100
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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@ -1,7 +1,7 @@
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Subject: arm-preempt-lazy-support.patch
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Wed, 31 Oct 2012 12:04:11 +0100
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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@ -1,7 +1,7 @@
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From: Steven Rostedt <srostedt@redhat.com>
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Date: Fri, 3 Jul 2009 08:44:29 -0500
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Subject: ata: Do not disable interrupts in ide code for preempt-rt
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Use the local_irq_*_nort variants.
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@ -1,7 +1,7 @@
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Subject: block: Shorten interrupt disabled regions
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Wed, 22 Jun 2011 19:47:02 +0200
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Moving the blk_sched_flush_plug() call out of the interrupt/preempt
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disabled region in the scheduler allows us to replace
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@ -1,7 +1,7 @@
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Subject: block: Use cpu_chill() for retry loops
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Thu, 20 Dec 2012 18:28:26 +0100
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Retry loops on RT might loop forever when the modifying side was
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preempted. Steven also observed a live lock when there was a
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@ -1,7 +1,7 @@
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From: Ingo Molnar <mingo@elte.hu>
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Date: Fri, 3 Jul 2009 08:29:58 -0500
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Subject: bug: BUG_ON/WARN_ON variants dependend on RT/!RT
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -1,7 +1,7 @@
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From: Benedikt Spranger <b.spranger@linutronix.de>
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Date: Mon, 8 Mar 2010 18:57:04 +0100
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Subject: clocksource: TCLIB: Allow higher clock rates for clock events
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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As default the TCLIB uses the 32KiHz base clock rate for clock events.
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Add a compile time selection to allow higher clock resulution.
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@ -1,7 +1,7 @@
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Subject: completion: Use simple wait queues
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Fri, 11 Jan 2013 11:23:51 +0100
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
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Completions have no long lasting callbacks and therefor do not need
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the complex waitqueue variant. Use simple waitqueues which reduces the
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@ -1,7 +1,7 @@
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Subject: cond-resched-lock-rt-tweak.patch
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From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 17 Jul 2011 22:51:33 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: cond-resched-softirq-fix.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Thu, 14 Jul 2011 09:56:44 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -2,7 +2,7 @@ From 56f43bce737d3f28ad470c95fa84f824cb0d55ad Mon Sep 17 00:00:00 2001
|
|||
From: Nicholas Mc Guire <der.herr@hofr.at>
|
||||
Date: Thu, 21 Nov 2013 22:52:30 -0500
|
||||
Subject: [PATCH 2/2] condition migration_disable on lock acquisition
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
No need to unconditionally migrate_disable (what is it protecting ?) and
|
||||
re-enable on failure to acquire the lock.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: cpu: Make hotplug.lock a "sleeping" spinlock on RT
|
||||
From: Steven Rostedt <rostedt@goodmis.org>
|
||||
Date: Fri, 02 Mar 2012 10:36:57 -0500
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Tasks can block on hotplug.lock in pin_current_cpu(), but their state
|
||||
might be != RUNNING. So the mutex wakeup will set the state
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Steven Rostedt <srostedt@redhat.com>
|
||||
Date: Mon, 16 Jul 2012 08:07:43 +0000
|
||||
Subject: cpu/rt: Rework cpu down for PREEMPT_RT
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: cpu-rt-variants.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 17 Jun 2011 15:42:38 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -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>
|
||||
Subject: [v1][PATCH] cpu_down: move migrate_enable() back
|
||||
Date: Thu, 7 Nov 2013 10:06:07 +0800
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Commit 08c1ab68, "hotplug-use-migrate-disable.patch", intends to
|
||||
use migrate_enable()/migrate_disable() to replace that combination
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 14 Dec 2011 01:03:49 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: debugobjects-rt.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 17 Jul 2011 21:41:35 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: dm: Make rt aware
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Mon, 14 Nov 2011 23:06:09 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Use the BUG_ON_NORT variant for the irq_disabled() checks. RT has
|
||||
interrupts legitimately enabled here as we cant deadlock against the
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:29:24 -0500
|
||||
Subject: drivers/net: Use disable_irq_nosync() in 8139too
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Use disable_irq_nosync() instead of disable_irq() as this might be
|
||||
called in atomic context with netpoll.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sat, 20 Jun 2009 11:36:54 +0200
|
||||
Subject: drivers/net: fix livelock issues
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Preempt-RT runs into a live lock issue with the NETDEV_TX_LOCKED micro
|
||||
optimization. The reason is that the softirq thread is rescheduling
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Thu, 1 Apr 2010 20:20:57 +0200
|
||||
Subject: drivers: net: gianfar: Make RT aware
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
The adjust_link() disables interrupts before taking the queue
|
||||
locks. On RT those locks are converted to "sleeping" locks and
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:30:18 -0500
|
||||
Subject: drivers/net: tulip_remove_one needs to call pci_disable_device()
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Otherwise the device is not completely shut down.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Steven Rostedt <rostedt@goodmis.org>
|
||||
Date: Fri, 3 Jul 2009 08:30:00 -0500
|
||||
Subject: drivers/net: vortex fix locking issues
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Argh, cut and paste wasn't enough...
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:29:30 -0500
|
||||
Subject: drivers: random: Reduce preempt disabled region
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
No need to keep preemption disabled across the whole function.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:30:01 -0500
|
||||
Subject: serial: 8250: Call flush_to_ldisc when the irq is threaded
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Ingo Molnar <mingo@elte.hu>
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:30:01 -0500
|
||||
Subject: serial: 8250: Clean up the locking for -rt
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Ingo Molnar <mingo@elte.hu>
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: drivers-tty-fix-omap-lock-crap.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Thu, 28 Jul 2011 13:32:57 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: drivers-tty-pl011-irq-disable-madness.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Tue, 08 Jan 2013 21:36:51 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -2,7 +2,7 @@ From d841118ac80c5bfb18f47984bc40687eed08b714 Mon Sep 17 00:00:00 2001
|
|||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 25 Apr 2013 18:12:52 +0200
|
||||
Subject: [PATCH] drm/i915: drop trace_i915_gem_ring_dispatch on rt
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
This tracepoint is responsible for:
|
||||
|
||||
|
|
|
@ -3,7 +3,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
Date: Fri, 11 Oct 2013 17:14:31 +0200
|
||||
Subject: [PATCH] drm: remove preempt_disable() from
|
||||
drm_calc_vbltimestamp_from_scanoutpos()
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Luis captured the following:
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: early-printk-consolidate.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sat, 23 Jul 2011 11:04:08 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: epoll.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 08 Jul 2011 16:35:35 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: filemap-fix-up.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 17 Jun 2011 18:56:24 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
Wrecked-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
From: Steven Rostedt <rostedt@goodmis.org>
|
||||
Subject: x86: Do not disable preemption in int3 on 32bit
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -2,7 +2,7 @@ From 53a9508f5983092928b0e6e12f400b686e1f04b1 Mon Sep 17 00:00:00 2001
|
|||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Mon, 28 Oct 2013 11:50:06 +0100
|
||||
Subject: [PATCH] a few open coded completions
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: fs-block-rt-support.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Tue, 14 Jun 2011 17:05:09 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: fs: dcache: Use cpu_chill() in trylock loops
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 07 Mar 2012 21:00:34 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Retry loops on RT might loop forever when the modifying side was
|
||||
preempted. Use cpu_chill() instead of cpu_relax() to let the system
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Mike Galbraith <mgalbraith@suse.de>
|
||||
Date: Wed, 11 Jul 2012 22:05:20 +0000
|
||||
Subject: fs, jbd: pull your plug when waiting for space
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
With an -rt kernel, and a heavy sync IO load, tasks can jam
|
||||
up on journal locks without unplugging, which can lead to
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 18 Mar 2011 10:11:25 +0100
|
||||
Subject: fs: jbd/jbd2: Make state lock and journal head lock rt safe
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
bit_spin_locks break under RT.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 19 Jul 2009 08:44:27 -0500
|
||||
Subject: fs: namespace preemption fix
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
On RT we cannot loop with preemption disabled here as
|
||||
mnt_make_readonly() might have been preempted. We can safely enable
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Mike Galbraith <efault@gmx.de>
|
||||
Date: Fri, 3 Jul 2009 08:44:12 -0500
|
||||
Subject: fs: ntfs: disable interrupt only on !RT
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
On Sat, 2007-10-27 at 11:44 +0200, Ingo Molnar wrote:
|
||||
> * Nick Piggin <nickpiggin@yahoo.com.au> wrote:
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 18 Mar 2011 09:18:52 +0100
|
||||
Subject: buffer_head: Replace bh_uptodate_lock for -rt
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Wrap the bit_spin_lock calls into a separate inline and add the RT
|
||||
replacements with a real spinlock.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: ftrace-migrate-disable-tracing.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 17 Jul 2011 21:56:42 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
From: Steven Rostedt <rostedt@goodmis.org>
|
||||
Subject: futex: Fix bug on when a requeued RT task times out
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Requeue with timeout causes a bug with PREEMPT_RT_FULL.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:29:57 -0500
|
||||
Subject: genirq: disable irqpoll on -rt
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Creates long latencies for no value
|
||||
|
||||
|
|
|
@ -2,7 +2,7 @@ From 76666dbbdd40e963e7df84c123fc9aea4a2bcc69 Mon Sep 17 00:00:00 2001
|
|||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Wed, 21 Aug 2013 17:48:46 +0200
|
||||
Subject: [PATCH] genirq: do not invoke the affinity callback via a workqueue
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Joe Korty reported, that __irq_set_affinity_locked() schedules a
|
||||
workqueue while holding a rawlock which results in a might_sleep()
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: genirq-force-threading.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 03 Apr 2011 11:57:29 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 18 Mar 2011 10:22:04 +0100
|
||||
Subject: genirq: Disable DEBUG_SHIRQ for rt
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: hotplug: Call cpu_unplug_begin() before DOWN_PREPARE
|
||||
From: Yong Zhang <yong.zhang0@gmail.com>
|
||||
Date: Sun, 16 Oct 2011 18:56:44 +0800
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
cpu_unplug_begin() should be called before CPU_DOWN_PREPARE, because
|
||||
at CPU_DOWN_PREPARE cpu_active is cleared and sched_domain is
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: hotplug: Lightweight get online cpus
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 15 Jun 2011 12:36:06 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
get_online_cpus() is a heavy weight function which involves a global
|
||||
mutex. migrate_disable() wants a simpler construct which prevents only
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: hotplug: sync_unplug: No "\n" in task name
|
||||
From: Yong Zhang <yong.zhang0@gmail.com>
|
||||
Date: Sun, 16 Oct 2011 18:56:43 +0800
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Otherwise the output will look a little odd.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: hotplug-use-migrate-disable.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 17 Jul 2011 19:35:29 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -2,7 +2,7 @@ From 180cdb93d796bf52c919f5e3df30af83aa6d46ca Mon Sep 17 00:00:00 2001
|
|||
From: Yang Shi <yang.shi@windriver.com>
|
||||
Date: Mon, 16 Sep 2013 14:09:19 -0700
|
||||
Subject: [PATCH] hrtimer: Move schedule_work call to helper thread
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
When run ltp leapsec_timer test, the following call trace is caught:
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 3 Jul 2009 08:44:31 -0500
|
||||
Subject: hrtimer: fixup hrtimer callback changes for preempt-rt
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
In preempt-rt we can not call the callbacks which take sleeping locks
|
||||
from the timer interrupt context.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: hrtimer: Raise softirq if hrtimer irq stalled
|
||||
From: Watanabe <shunsuke.watanabe@tel.com>
|
||||
Date: Sun, 28 Oct 2012 11:13:44 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
When the hrtimer stall detection hits the softirq is not raised.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:29:34 -0500
|
||||
Subject: hrtimers: prepare full preemption
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Make cancellation of a running callback in softirq context safe
|
||||
against preemption.
|
||||
|
|
|
@ -2,7 +2,7 @@ From c19bf3baaa55918486b868ab17aae0c0c220e51f Mon Sep 17 00:00:00 2001
|
|||
From: Mike Galbraith <bitbucket@online.de>
|
||||
Date: Fri, 30 Aug 2013 07:57:25 +0200
|
||||
Subject: [PATCH] hwlat-detector: Don't ignore threshold module parameter
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
If the user specified a threshold at module load time, use it.
|
||||
|
||||
|
|
|
@ -3,7 +3,7 @@ From: Steven Rostedt <rostedt@goodmis.org>
|
|||
Date: Mon, 19 Aug 2013 17:33:25 -0400
|
||||
Subject: [PATCH 1/3] hwlat-detector: Update hwlat_detector to add outer loop
|
||||
detection
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
The hwlat_detector reads two timestamps in a row, then reports any
|
||||
gap between those calls. The problem is, it misses everything between
|
||||
|
|
|
@ -2,7 +2,7 @@ From 42b3963c5d3dcdb54226fc6bbb6b5fbcf3f2ddee Mon Sep 17 00:00:00 2001
|
|||
From: Steven Rostedt <rostedt@goodmis.org>
|
||||
Date: Mon, 19 Aug 2013 17:33:27 -0400
|
||||
Subject: [PATCH 3/3] hwlat-detector: Use thread instead of stop machine
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
There's no reason to use stop machine to search for hardware latency.
|
||||
Simply disabling interrupts while running the loop will do enough to
|
||||
|
|
|
@ -2,7 +2,7 @@ From 4aaca90c0255caee9a55371afaecb32365123762 Mon Sep 17 00:00:00 2001
|
|||
From: Steven Rostedt <rostedt@goodmis.org>
|
||||
Date: Mon, 19 Aug 2013 17:33:26 -0400
|
||||
Subject: [PATCH 2/3] hwlat-detector: Use trace_clock_local if available
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: hwlatdetect.patch
|
||||
From: Carsten Emde <C.Emde@osadl.org>
|
||||
Date: Tue, 19 Jul 2011 13:53:12 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Jon Masters developed this wonderful SMI detector. For details please
|
||||
consult Documentation/hwlat_detector.txt. It could be ported to Linux
|
||||
|
|
|
@ -2,7 +2,7 @@ From 5145351047b216cca13aaca99f939a9a594c6c4d Mon Sep 17 00:00:00 2001
|
|||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 21 Mar 2013 11:35:49 +0100
|
||||
Subject: [PATCH 2/3] i2c/omap: drop the lock hard irq context
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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.
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Subject: gpu/i915: don't open code these things
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
The opencode part is gone in 1f83fee0 ("drm/i915: clear up wedged transitions")
|
||||
the owner check is still there.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:30:16 -0500
|
||||
Subject: ide: Do not disable interrupts for PREEMPT-RT
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Use the local_irq_*_nort variants.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: sched: Init idle->on_rq in init_idle()
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 09 Jan 2013 23:03:29 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Subject: idr: Use local lock instead of preempt enable/disable
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
We need to protect the per cpu variable and prevent migration.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Sven-Thorsten Dietrich <sdietrich@novell.com>
|
||||
Date: Fri, 3 Jul 2009 08:30:35 -0500
|
||||
Subject: infiniband: Mellanox IB driver patch use _nort() primitives
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Fixes in_atomic stack-dump, when Mellanox module is loaded into the RT
|
||||
Kernel.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:30:16 -0500
|
||||
Subject: input: gameport: Do not disable interrupts on PREEMPT_RT
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Use the _nort() primitives.
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:30:12 -0500
|
||||
Subject: ipc: Make the ipc code -rt aware
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
RT serializes the code with the (rt)spinlock but keeps preemption
|
||||
enabled. Some parts of the code need to be atomic nevertheless.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: ipc/mqueue: Add a critical section to avoid a deadlock
|
||||
From: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
|
||||
Date: Sat, 23 Jul 2011 11:57:36 +0900
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
(Repost for v3.0-rt1 and changed the distination addreses)
|
||||
I have tested the following patch on v3.0-rt1 with PREEMPT_RT_FULL.
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: ipc/sem: Rework semaphore wakeups
|
||||
From: Peter Zijlstra <peterz@infradead.org>
|
||||
Date: Wed, 14 Sep 2011 11:57:04 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: genirq: Allow disabling of softirq processing in irq thread context
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Tue, 31 Jan 2012 13:01:27 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: jump-label-rt.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 13 Jul 2011 11:03:16 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: kconfig-disable-a-few-options-rt.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 24 Jul 2011 12:11:43 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Disable stuff which is known to have issues on RT
|
||||
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: kconfig-preempt-rt-full.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 29 Jun 2011 14:58:57 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -3,7 +3,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
Date: Fri, 7 Jun 2013 22:37:06 +0200
|
||||
Subject: [PATCH] kernel/cpu: fix cpu down problem if kthread's cpu is
|
||||
going down
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
If kthread is pinned to CPUx and CPUx is going down then we get into
|
||||
trouble:
|
||||
|
|
|
@ -2,7 +2,7 @@ From 4c6df3d78817c20a147c0291f6600d002c0910d3 Mon Sep 17 00:00:00 2001
|
|||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Fri, 14 Jun 2013 17:16:35 +0200
|
||||
Subject: [PATCH] kernel/hotplug: restore original cpu mask oncpu/down
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Jason Wessel <jason.wessel@windriver.com>
|
||||
Date: Thu, 28 Jul 2011 12:42:23 -0500
|
||||
Subject: kgdb/serial: Short term workaround
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
On 07/27/2011 04:37 PM, Thomas Gleixner wrote:
|
||||
> - KGDB (not yet disabled) is reportedly unusable on -rt right now due
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: latency-hist.patch
|
||||
From: Carsten Emde <C.Emde@osadl.org>
|
||||
Date: Tue, 19 Jul 2011 14:03:41 +0100
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
This patch provides a recording mechanism to store data of potential
|
||||
sources of system latencies. The recordings separately determine the
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: lglocks-rt.patch
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 15 Jun 2011 11:02:21 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
Subject: list-add-list-last-entry.patch
|
||||
From: Peter Zijlstra <peterz@infradead.org>
|
||||
Date: Tue, 21 Jun 2011 11:22:36 +0200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
---
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Paul Gortmaker <paul.gortmaker@windriver.com>
|
||||
Date: Fri, 21 Jun 2013 15:07:25 -0400
|
||||
Subject: [PATCH] list_bl.h: make list head locking RT safe
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
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
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Tue, 21 Jul 2009 22:34:14 +0200
|
||||
Subject: rt: local_irq_* variants depending on RT/!RT
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.5-rt7.tar.xz
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.6-rt9.tar.xz
|
||||
|
||||
Add local_irq_*_(no)rt variant which are mainly used to break
|
||||
interrupt disabled sections on PREEMPT_RT or to explicitely disable
|
||||
|
|
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Reference in New Issue