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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-04 06:42:01 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-04 06:42:01 -0400 |
| commit | fc851fad00d7fa1bf4ac7034d9ba8041bf482d50 (patch) | |
| tree | 779a8b572d1701ef2c46755df751d9275650cdf4 /include/asm-i386/rwlock.h | |
| parent | 85cd7251b9112e3dabeac9fd3b175601ca607241 (diff) | |
| parent | f9bcda7760e1373615c9f6d9ce24209b0ab97de1 (diff) | |
| download | blackbird-op-linux-fc851fad00d7fa1bf4ac7034d9ba8041bf482d50.tar.gz blackbird-op-linux-fc851fad00d7fa1bf4ac7034d9ba8041bf482d50.zip | |
Merge branch 'upstream' into pata-drivers
Diffstat (limited to 'include/asm-i386/rwlock.h')
| -rw-r--r-- | include/asm-i386/rwlock.h | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h index 96b0bef2ea56..87c069ccba08 100644 --- a/include/asm-i386/rwlock.h +++ b/include/asm-i386/rwlock.h @@ -21,23 +21,21 @@ #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", \ - :"a" (rw) : "memory") + "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", \ - "+m" (*(volatile int *)rw) : : "memory") + "1:\n" \ + :"+m" (*(volatile int *)rw) : : "memory") #define __build_read_lock(rw, helper) do { \ if (__builtin_constant_p(rw)) \ @@ -47,23 +45,21 @@ } 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", \ - "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t", \ - :"a" (rw) : "memory") + "1:\n" \ + ::"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" \ "call " helper "\n\t" \ "popl %%eax\n\t" \ - "1:\n", \ - "subl $" RW_LOCK_BIAS_STR ",%0\n\t", \ - "+m" (*(volatile int *)rw) : : "memory") + "1:\n" \ + :"+m" (*(volatile int *)rw) : : "memory") #define __build_write_lock(rw, helper) do { \ if (__builtin_constant_p(rw)) \ |
