X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-avr32%2Fsystem.h;h=9702c2213e1e74d979fb914b286cfbfac8c1609d;hb=08a6fac1c63233c87eec129938022f1a9a4d51f6;hp=c600cc15cbcb640d2d7941f0991fb823dd8fd2f4;hpb=03bbe082cffc4533f6557bf23f0c672307067246;p=linux-2.6 diff --git a/include/asm-avr32/system.h b/include/asm-avr32/system.h index c600cc15cb..9702c2213e 100644 --- a/include/asm-avr32/system.h +++ b/include/asm-avr32/system.h @@ -145,6 +145,29 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, (unsigned long)(new), \ sizeof(*(ptr)))) +#include + +static inline unsigned long __cmpxchg_local(volatile void *ptr, + unsigned long old, + unsigned long new, int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32(ptr, old, new); + default: + return __cmpxchg_local_generic(ptr, old, new, size); + } + + return old; +} + +#define cmpxchg_local(ptr, old, new) \ + ((typeof(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(old), \ + (unsigned long)(new), \ + sizeof(*(ptr)))) + +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + struct pt_regs; void NORET_TYPE die(const char *str, struct pt_regs *regs, long err); void _exception(long signr, struct pt_regs *regs, int code,