diff options
Diffstat (limited to 'arch/arm/include/asm/xen/events.h')
| -rw-r--r-- | arch/arm/include/asm/xen/events.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/include/asm/xen/events.h b/arch/arm/include/asm/xen/events.h index 94b4e9020b02..8b1f37bfeeec 100644 --- a/arch/arm/include/asm/xen/events.h +++ b/arch/arm/include/asm/xen/events.h @@ -2,6 +2,7 @@ #define _ASM_ARM_XEN_EVENTS_H #include <asm/ptrace.h> +#include <asm/atomic.h> enum ipi_vector { XEN_PLACEHOLDER_VECTOR, @@ -15,4 +16,8 @@ static inline int xen_irqs_disabled(struct pt_regs *regs) return raw_irqs_disabled_flags(regs->ARM_cpsr); } +#define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((ptr), \ + atomic64_t, \ + counter), (val)) + #endif /* _ASM_ARM_XEN_EVENTS_H */ |