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locking/atomic/x86: Correct the definition of __arch_try_cmpxchg128()

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[ Upstream commit 929ad065ba ]

Correct the definition of __arch_try_cmpxchg128(), introduced by:

  b23e139d0b ("arch: Introduce arch_{,try_}_cmpxchg128{,_local}()")

Fixes: b23e139d0b ("arch: Introduce arch_{,try_}_cmpxchg128{,_local}()")
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lore.kernel.org/r/20240408091547.90111-2-ubizjak@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Uros Bizjak 2024-04-08 11:13:56 +02:00 committed by Greg Kroah-Hartman
parent 040c3a0024
commit 1d4e1fa2f2
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/cmpxchg_64.h
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@ -62,7 +62,7 @@ static __always_inline u128 arch_cmpxchg128_local(volatile u128 *ptr, u128 old,
asm volatile(_lock "cmpxchg16b %[ptr]" \
CC_SET(e) \
: CC_OUT(e) (ret), \
[ptr] "+m" (*ptr), \
[ptr] "+m" (*(_ptr)), \
"+a" (o.low), "+d" (o.high) \
: "b" (n.low), "c" (n.high) \
: "memory"); \