From: Uros Bizjak ubizjak@gmail.com
stable inclusion from stable-v6.6.33 commit 1d4e1fa2f29a90c0f8f0a3bd9a90f72a4ce9c562 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAD6H2
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 929ad065ba2967be238dfdc0895b79fda62c7f16 ]
Correct the definition of __arch_try_cmpxchg128(), introduced by:
b23e139d0b66 ("arch: Introduce arch_{,try_}_cmpxchg128{,_local}()")
Fixes: b23e139d0b66 ("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 Signed-off-by: Wang Hai wanghai38@huawei.com --- arch/x86/include/asm/cmpxchg_64.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h index 44b08b53ab32..c1d6cd58f809 100644 --- a/arch/x86/include/asm/cmpxchg_64.h +++ b/arch/x86/include/asm/cmpxchg_64.h @@ -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"); \