Commit ae02ae16 authored by Juergen Gross's avatar Juergen Gross Committed by Borislav Petkov (AMD)
Browse files

x86/asm: Make serialize() always_inline 

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

Fixes: 0ef8047b ("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: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20241218100918.22167-1-jgross@suse.com
parent de31b3cd

arch/x86/include/asm/special_insns.h

+1 −1
Original line number Diff line number Diff line
@@ -217,7 +217,7 @@ static inline int write_user_shstk_64(u64 __user *addr, u64 val) 


#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");