On 03/31/2014 03:10 PM, Behan Webster wrote: >>> >>> diff --git a/include/asm-generic/cmpxchg-local.h >>> b/include/asm-generic/cmpxchg-local.h >>> index d8d4c89..4c41bb8 100644 >>> --- a/include/asm-generic/cmpxchg-local.h >>> +++ b/include/asm-generic/cmpxchg-local.h >>> @@ -41,6 +41,7 @@ static inline unsigned long >>> __cmpxchg_local_generic(volatile void *ptr, >>> break; >>> default: >>> wrong_size_cmpxchg(ptr); >>> + prev = 0; >>> } >>> raw_local_irq_restore(flags); >>> return prev; >>> >> Shouldn't this be a build time assert (__compiletime_error())? > I changed it to a __noreturn on wrong_size_cmpxchg thanks to James > Bottomley. > > Which would be better? > __compiletime_error traps at compile time rather than link time, which is what you want. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html