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x86/asm: Make serialize() always_inline

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[ Upstream commit ae02ae16b76160f0aeeae2c5fb9b15226d00a4ef ]

In order to allow serialize() to be used from noinstr code, make it
__always_inline.

Fixes: 0ef8047b737d ("x86/static-call: provide a way to do very early static-call updates")
Closes: https://lore.kernel.org/oe-kbuild-all/202412181756.aJvzih2K-lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20241218100918.22167-1-jgross@suse.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Juergen Gross
2024-12-18 11:09:18 +01:00
committed by Greg Kroah-Hartman
parent 3375bdf84c
commit 0b30238c5c
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/special_insns.h
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@@ -225,7 +225,7 @@ static inline void clwb(volatile void *__p)
#define nop() asm volatile ("nop")
static inline void serialize(void)
static __always_inline void serialize(void)
{
/* Instruction opcode for SERIALIZE; supported in binutils >= 2.35. */
asm volatile(".byte 0xf, 0x1, 0xe8" ::: "memory");