| Message ID | 20230305205628.27385-8-ubizjak@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | locking: Introduce local{,64}_try_cmpxchg | expand |
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)))
Implement target specific support for local_try_cmpxchg. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Uros Bizjak <ubizjak@gmail.com> --- arch/x86/include/asm/local.h | 2 ++ 1 file changed, 2 insertions(+)