diff options
Diffstat (limited to 'arch/x86/include/asm/xen/events.h')
| -rw-r--r-- | arch/x86/include/asm/xen/events.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h index cc146d51449e..ca842f2769ef 100644 --- a/arch/x86/include/asm/xen/events.h +++ b/arch/x86/include/asm/xen/events.h @@ -16,4 +16,7 @@ static inline int xen_irqs_disabled(struct pt_regs *regs) return raw_irqs_disabled_flags(regs->flags); } +/* No need for a barrier -- XCHG is a barrier on x86. */ +#define xchg_xen_ulong(ptr, val) xchg((ptr), (val)) + #endif /* _ASM_X86_XEN_EVENTS_H */ |