diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/cmpxchg.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h index 9733361fed6f..97848cdfcb1a 100644 --- a/arch/x86/include/asm/cmpxchg.h +++ b/arch/x86/include/asm/cmpxchg.h @@ -158,53 +158,9 @@ extern void __add_wrong_size(void) * value of "*ptr". * * xadd() is locked when multiple CPUs are online - * xadd_sync() is always locked - * xadd_local() is never locked */ #define __xadd(ptr, inc, lock) __xchg_op((ptr), (inc), xadd, lock) #define xadd(ptr, inc) __xadd((ptr), (inc), LOCK_PREFIX) -#define xadd_sync(ptr, inc) __xadd((ptr), (inc), "lock; ") -#define xadd_local(ptr, inc) __xadd((ptr), (inc), "") - -#define __add(ptr, inc, lock) \ - ({ \ - __typeof__ (*(ptr)) __ret = (inc); \ - switch (sizeof(*(ptr))) { \ - case __X86_CASE_B: \ - asm volatile (lock "addb %b1, %0\n" \ - : "+m" (*(ptr)) : "qi" (inc) \ - : "memory", "cc"); \ - break; \ - case __X86_CASE_W: \ - asm volatile (lock "addw %w1, %0\n" \ - : "+m" (*(ptr)) : "ri" (inc) \ - : "memory", "cc"); \ - break; \ - case __X86_CASE_L: \ - asm volatile (lock "addl %1, %0\n" \ - : "+m" (*(ptr)) : "ri" (inc) \ - : "memory", "cc"); \ - break; \ - case __X86_CASE_Q: \ - asm volatile (lock "addq %1, %0\n" \ - : "+m" (*(ptr)) : "ri" (inc) \ - : "memory", "cc"); \ - break; \ - default: \ - __add_wrong_size(); \ - } \ - __ret; \ - }) - -/* - * add_*() adds "inc" to "*ptr" - * - * __add() takes a lock prefix - * add_smp() is locked when multiple CPUs are online - * add_sync() is always locked - */ -#define add_smp(ptr, inc) __add((ptr), (inc), LOCK_PREFIX) -#define add_sync(ptr, inc) __add((ptr), (inc), "lock; ") #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \ ({ \ |