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authorGravatar Linus Torvalds <torvalds@linux-foundation.org> 2015-09-02 08:03:25 -0700
committerGravatar Linus Torvalds <torvalds@linux-foundation.org> 2015-09-02 08:03:25 -0700
commit76ec51ef5edfe540bbc3c61b860f88deb8e6a37b (patch)
tree1d3c74529172c6ad37048407b4a0c513f59bc3e6 /include
parentMerge branch 'for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq (diff)
parentpercpu: clean up of schunk->map[] assignment in pcpu_setup_first_chunk (diff)
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Merge branch 'for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu updates from Tejun Heo: "Minor cleanups" * 'for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: clean up of schunk->map[] assignment in pcpu_setup_first_chunk percpu: update incorrect comment for this_cpu_*() operations
Diffstat (limited to 'include')
-rw-r--r--include/linux/percpu-defs.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 57f3a1c550dc..8f16299ca068 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -488,10 +488,8 @@ do { \
#define __this_cpu_dec_return(pcp) __this_cpu_add_return(pcp, -1)
/*
- * Operations with implied preemption protection. These operations can be
- * used without worrying about preemption. Note that interrupts may still
- * occur while an operation is in progress and if the interrupt modifies
- * the variable too then RMW actions may not be reliable.
+ * Operations with implied preemption/interrupt protection. These
+ * operations can be used without worrying about preemption or interrupt.
*/
#define this_cpu_read(pcp) __pcpu_size_call_return(this_cpu_read_, pcp)
#define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val)