aboutsummaryrefslogtreecommitdiff
path: root/include/asm-i386/rwlock.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-i386/rwlock.h')
-rw-r--r--include/asm-i386/rwlock.h14
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" \