This is a note to let you know that I've just added the patch titled
sched/preempt: Rename PREEMPT_CHECK_OFFSET to PREEMPT_DISABLE_OFFSET
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sched-preempt-rename-preempt_check_offset-to-preempt_disable_offset.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 90b62b5129d5cb50f62f40e684de7a1961e57197 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <[email protected]>
Date: Tue, 12 May 2015 16:41:48 +0200
Subject: sched/preempt: Rename PREEMPT_CHECK_OFFSET to PREEMPT_DISABLE_OFFSET
From: Frederic Weisbecker <[email protected]>
commit 90b62b5129d5cb50f62f40e684de7a1961e57197 upstream.
"CHECK" suggests it's only used as a comparison mask. But now it's used
further as a config-conditional preempt disabler offset. Lets
disambiguate this name.
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link:
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Mike Galbraith <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
include/linux/preempt_mask.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/include/linux/preempt_mask.h
+++ b/include/linux/preempt_mask.h
@@ -72,9 +72,9 @@
#define in_nmi() (preempt_count() & NMI_MASK)
#if defined(CONFIG_PREEMPT_COUNT)
-# define PREEMPT_CHECK_OFFSET 1
+# define PREEMPT_DISABLE_OFFSET 1
#else
-# define PREEMPT_CHECK_OFFSET 0
+# define PREEMPT_DISABLE_OFFSET 0
#endif
/*
@@ -90,7 +90,7 @@
*
* Work as expected.
*/
-#define SOFTIRQ_LOCK_OFFSET (SOFTIRQ_DISABLE_OFFSET + PREEMPT_CHECK_OFFSET)
+#define SOFTIRQ_LOCK_OFFSET (SOFTIRQ_DISABLE_OFFSET + PREEMPT_DISABLE_OFFSET)
/*
* Are we running in atomic context? WARNING: this macro cannot
@@ -106,7 +106,7 @@
* (used by the scheduler, *after* releasing the kernel lock)
*/
#define in_atomic_preempt_off() \
- ((preempt_count() & ~PREEMPT_ACTIVE) != PREEMPT_CHECK_OFFSET)
+ ((preempt_count() & ~PREEMPT_ACTIVE) != PREEMPT_DISABLE_OFFSET)
#ifdef CONFIG_PREEMPT_COUNT
# define preemptible() (preempt_count() == 0 && !irqs_disabled())
Patches currently in stable-queue which might be from [email protected] are
queue-4.1/sched-preempt-rename-preempt_check_offset-to-preempt_disable_offset.patch
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