Messages in this thread | | | Date | Mon, 22 Apr 2013 13:08:22 +0800 | From | Chen Gang <> | Subject | Re: [Suggestion] ARM64: kernel: compiling issue, need implement cmpxchg64 with assembler language. |
| |
On 2013年04月20日 15:32, Arnd Bergmann wrote: > On Saturday 20 April 2013 10:28:55 Chen Gang wrote: >> >> -------------------------------patch begin-------------------------------------- >> >> diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h >> index 968b5cb..b572d2b 100644 >> --- a/arch/arm64/include/asm/cmpxchg.h >> +++ b/arch/arm64/include/asm/cmpxchg.h >> @@ -170,4 +170,6 @@ static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old, >> (unsigned long)(n), \ >> sizeof(*(ptr)))) >> >> +#define cmpxchg64(ptr,o,n) cmpxchg((ptr),(o),(n)) >> + >> #endif /* __ASM_CMPXCHG_H */ > > Yes, this looks good. Please provide the same for cmpxchg64_local. >
ok, thanks, I will send related patch.
gchen.
-- 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/
| |