X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-alpha%2Fsystem.h;h=ed221d6408fc308acbf737d84ba51adb9899dc28;hb=c203e45f069af47ca7623e4dcd8c00bfba2722e4;hp=fd9dc889f36c87b55da179ba39f3528e6cf8e1cb;hpb=b6257a9036f06878a0f02354d5a07f155e1cfee0;p=linux-2.6 diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h index fd9dc889f3..ed221d6408 100644 --- a/include/asm-alpha/system.h +++ b/include/asm-alpha/system.h @@ -681,13 +681,18 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) return old; } -#define cmpxchg(ptr,o,n) \ +#define cmpxchg(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ (unsigned long)_n_, sizeof(*(ptr))); \ }) +#define cmpxchg64(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg((ptr), (o), (n)); \ + }) static inline unsigned long __cmpxchg_u8_local(volatile char *m, long old, long new) @@ -803,13 +808,19 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, return old; } -#define cmpxchg_local(ptr,o,n) \ +#define cmpxchg_local(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ (unsigned long)_n_, sizeof(*(ptr))); \ }) +#define cmpxchg64_local(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ + }) + #endif /* __ASSEMBLY__ */