Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by: Mathieu Desnoyers CC: clameter@sgi.com CC: rmk@arm.linux.org.uk --- include/asm-arm/system.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) Index: linux-2.6-lttng/include/asm-arm/system.h =================================================================== --- linux-2.6-lttng.orig/include/asm-arm/system.h 2007-09-18 10:05:04.000000000 -0400 +++ linux-2.6-lttng/include/asm-arm/system.h 2007-09-18 13:39:25.000000000 -0400 @@ -350,6 +350,21 @@ static inline unsigned long __xchg(unsig extern void disable_hlt(void); extern void enable_hlt(void); +#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 + #endif /* __ASSEMBLY__ */ #define arch_align_stack(x) (x) -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/