X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-h8300%2Fsystem.h;h=4b8e475908ae0c9eab94c5ac55cb7e2c36216000;hb=6585b4a71f523485ecf33e7f4569be4095d63699;hp=7807018f85002cd201db14dc74926f469b3c11b5;hpb=18062a91d2ddc40e19fc674afeb7cad58cfa23ab;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-h8300/system.h b/include/asm-h8300/system.h index 7807018f850..4b8e475908a 100644 --- a/include/asm-h8300/system.h +++ b/include/asm-h8300/system.h @@ -82,8 +82,7 @@ asmlinkage void resume(void); #define mb() asm volatile ("" : : :"memory") #define rmb() asm volatile ("" : : :"memory") #define wmb() asm volatile ("" : : :"memory") -#define set_rmb(var, value) do { xchg(&var, value); } while (0) -#define set_mb(var, value) set_rmb(var, value) +#define set_mb(var, value) do { xchg(&var, value); } while (0) #ifdef CONFIG_SMP #define smp_mb() mb() @@ -139,6 +138,21 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz asm("jmp @@0"); \ }) +#include + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ + (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +#ifndef CONFIG_SMP +#include +#endif + #define arch_align_stack(x) (x) #endif /* _H8300_SYSTEM_H */