]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
locking/atomic/x86: Use ALT_OUTPUT_SP() for __alternative_atomic64()
authorUros Bizjak <ubizjak@gmail.com>
Sun, 3 Nov 2024 16:09:31 +0000 (17:09 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Dec 2024 12:52:55 +0000 (13:52 +0100)
commit4c7e91a17ae82df30d7ad5272307da95488f0455
tree7523fed5f7a9602419dfe198321133bcee001062
parentc2de7ac2d7989e38df1cc2f6a0baeb4dd2f388d1
locking/atomic/x86: Use ALT_OUTPUT_SP() for __alternative_atomic64()

[ Upstream commit 8b64db9733c2e4d30fd068d0b9dcef7b4424b035 ]

CONFIG_X86_CMPXCHG64 variant of x86_32 __alternative_atomic64()
macro uses CALL instruction inside asm statement. Use
ALT_OUTPUT_SP() macro to add required dependence on %esp register.

Fixes: 819165fb34b9 ("x86: Adjust asm constraints in atomic64 wrappers")
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20241103160954.3329-1-ubizjak@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/x86/include/asm/atomic64_32.h