X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-m68k%2Fatomic.h;h=d5eed64cb833d277bcc459ab0175022c045232be;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=862e497c26453070674af81cd0786f5d1c5ad30d;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/include/asm-m68k/atomic.h b/include/asm-m68k/atomic.h index 862e497c2..d5eed64cb 100644 --- a/include/asm-m68k/atomic.h +++ b/include/asm-m68k/atomic.h @@ -1,7 +1,6 @@ #ifndef __ARCH_M68K_ATOMIC__ #define __ARCH_M68K_ATOMIC__ -#include #include /* local_irq_XXX() */ @@ -175,8 +174,14 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *v) ({ \ int c, old; \ c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = atomic_cmpxchg((v), c, c + (a)); \ + if (likely(old == c)) \ + break; \ c = old; \ + } \ c != (u); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)