diff options
Diffstat (limited to 'include/asm-i386/rwlock.h')
| -rw-r--r-- | include/asm-i386/rwlock.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h index 96b0bef2ea5..3ac1ba98b1b 100644 --- a/include/asm-i386/rwlock.h +++ b/include/asm-i386/rwlock.h @@ -21,22 +21,20 @@ #define RW_LOCK_BIAS_STR "0x01000000" #define __build_read_lock_ptr(rw, helper) \ - alternative_smp("lock; subl $1,(%0)\n\t" \ + asm volatile(LOCK_PREFIX " ; subl $1,(%0)\n\t" \ "jns 1f\n" \ "call " helper "\n\t" \ - "1:\n", \ - "subl $1,(%0)\n\t", \ + "1:\n" \ :"a" (rw) : "memory") #define __build_read_lock_const(rw, helper) \ - alternative_smp("lock; subl $1,%0\n\t" \ + asm volatile(LOCK_PREFIX " ; subl $1,%0\n\t" \ "jns 1f\n" \ "pushl %%eax\n\t" \ "leal %0,%%eax\n\t" \ "call " helper "\n\t" \ "popl %%eax\n\t" \ - "1:\n", \ - "subl $1,%0\n\t", \ + "1:\n" : \ "+m" (*(volatile int *)rw) : : "memory") #define __build_read_lock(rw, helper) do { \ @@ -47,7 +45,7 @@ } while (0) #define __build_write_lock_ptr(rw, helper) \ - alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ + asm volatile(LOCK_PREFIX " ; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ "jz 1f\n" \ "call " helper "\n\t" \ "1:\n", \ @@ -55,7 +53,7 @@ :"a" (rw) : "memory") #define __build_write_lock_const(rw, helper) \ - alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ + asm volatile(LOCK_PREFIX " ; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ "jz 1f\n" \ "pushl %%eax\n\t" \ "leal %0,%%eax\n\t" \ |