X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-alpha%2Fsystem.h;h=ed221d6408fc308acbf737d84ba51adb9899dc28;hb=0b61a2ba5dfd1620731e717d686e6ade657fd975;hp=cf1021a97b2ea947969f3f3344b0261e907e87ba;hpb=9b6a51746ffe8d619f1097675d2dc5e303470024;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h index cf1021a97b2..ed221d6408f 100644 --- a/include/asm-alpha/system.h +++ b/include/asm-alpha/system.h @@ -48,6 +48,7 @@ #ifndef __ASSEMBLY__ #include +#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */ /* * This is the logout header that should be common to all platforms @@ -139,16 +140,6 @@ extern void halt(void) __attribute__((noreturn)); struct task_struct; extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*); -/* - * On SMP systems, when the scheduler does migration-cost autodetection, - * it needs a way to flush as much of the CPU's caches as possible. - * - * TODO: fill this in! - */ -static inline void sched_cacheflush(void) -{ -} - #define imb() \ __asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") @@ -690,13 +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) @@ -812,13 +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__ */