diff options
Diffstat (limited to 'include/asm-powerpc/system.h')
| -rw-r--r-- | include/asm-powerpc/system.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index bc9739dff5e..29552ff182a 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -65,7 +65,7 @@ struct task_struct; struct pt_regs; -#ifdef CONFIG_DEBUGGER +#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) extern int (*__debugger)(struct pt_regs *regs); extern int (*__debugger_ipi)(struct pt_regs *regs); @@ -463,7 +463,7 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, return old; } -#define cmpxchg(ptr,o,n) \ +#define cmpxchg(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ @@ -472,7 +472,7 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, }) -#define cmpxchg_local(ptr,o,n) \ +#define cmpxchg_local(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ @@ -492,6 +492,20 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, */ #define NET_IP_ALIGN 0 #define NET_SKB_PAD L1_CACHE_BYTES + +#define cmpxchg64(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg((ptr), (o), (n)); \ + }) +#define cmpxchg64_local(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ + }) +#else +#include <asm-generic/cmpxchg-local.h> +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) #endif #define arch_align_stack(x) (x) |