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authorIngo Molnar <mingo@elte.hu>2009-07-03 08:29:30 -0500
committerIngo Molnar <mingo@kernel.org>2013-02-19 08:43:37 +0100
commit5042afe7fe32390e79910ecd0a1f0563d4bca38c (patch)
tree7a86a70e811f7f89786ee79fd021ad7ae53063cf
parent9fb1b90ce0a847a8cc9492a6c1f347b5be1f33ff (diff)
downloadop-kernel-dev-5042afe7fe32390e79910ecd0a1f0563d4bca38c.zip
op-kernel-dev-5042afe7fe32390e79910ecd0a1f0563d4bca38c.tar.gz
generic: Use raw local irq variant for generic cmpxchg
The interrupt disabled region is extremly tiny and therefor not latency relevant. Avoid cluttering the traces with those pointless entries. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--include/asm-generic/cmpxchg-local.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/asm-generic/cmpxchg-local.h b/include/asm-generic/cmpxchg-local.h
index 2533fdd..d8d4c89 100644
--- a/include/asm-generic/cmpxchg-local.h
+++ b/include/asm-generic/cmpxchg-local.h
@@ -21,7 +21,7 @@ static inline unsigned long __cmpxchg_local_generic(volatile void *ptr,
if (size == 8 && sizeof(unsigned long) != 8)
wrong_size_cmpxchg(ptr);
- local_irq_save(flags);
+ raw_local_irq_save(flags);
switch (size) {
case 1: prev = *(u8 *)ptr;
if (prev == old)
@@ -42,7 +42,7 @@ static inline unsigned long __cmpxchg_local_generic(volatile void *ptr,
default:
wrong_size_cmpxchg(ptr);
}
- local_irq_restore(flags);
+ raw_local_irq_restore(flags);
return prev;
}
@@ -55,11 +55,11 @@ static inline u64 __cmpxchg64_local_generic(volatile void *ptr,
u64 prev;
unsigned long flags;
- local_irq_save(flags);
+ raw_local_irq_save(flags);
prev = *(u64 *)ptr;
if (prev == old)
*(u64 *)ptr = new;
- local_irq_restore(flags);
+ raw_local_irq_restore(flags);
return prev;
}
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