Implement target specific support for local_try_cmpxchg. Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx> --- arch/x86/include/asm/local.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h index 349a47acaa4a..4bcc72906524 100644 --- a/arch/x86/include/asm/local.h +++ b/arch/x86/include/asm/local.h @@ -122,6 +122,8 @@ static inline long local_sub_return(long i, local_t *l) #define local_cmpxchg(l, o, n) \ (cmpxchg_local(&((l)->a.counter), (o), (n))) +#define local_try_cmpxchg(l, po, n) \ + (try_cmpxchg_local(&((l)->a.counter), (po), (n))) /* Always has a lock prefix */ #define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) -- 2.39.2
