aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/asm-i386/rwlock.h24
1 files changed, 11 insertions, 13 deletions
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h
index 3ac1ba98b1bc..87c069ccba08 100644
--- a/include/asm-i386/rwlock.h
+++ b/include/asm-i386/rwlock.h
@@ -21,21 +21,21 @@
21#define RW_LOCK_BIAS_STR "0x01000000" 21#define RW_LOCK_BIAS_STR "0x01000000"
22 22
23#define __build_read_lock_ptr(rw, helper) \ 23#define __build_read_lock_ptr(rw, helper) \
24 asm volatile(LOCK_PREFIX " ; subl $1,(%0)\n\t" \ 24 asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" \
25 "jns 1f\n" \ 25 "jns 1f\n" \
26 "call " helper "\n\t" \ 26 "call " helper "\n\t" \
27 "1:\n" \ 27 "1:\n" \
28 :"a" (rw) : "memory") 28 ::"a" (rw) : "memory")
29 29
30#define __build_read_lock_const(rw, helper) \ 30#define __build_read_lock_const(rw, helper) \
31 asm volatile(LOCK_PREFIX " ; subl $1,%0\n\t" \ 31 asm volatile(LOCK_PREFIX " subl $1,%0\n\t" \
32 "jns 1f\n" \ 32 "jns 1f\n" \
33 "pushl %%eax\n\t" \ 33 "pushl %%eax\n\t" \
34 "leal %0,%%eax\n\t" \ 34 "leal %0,%%eax\n\t" \
35 "call " helper "\n\t" \ 35 "call " helper "\n\t" \
36 "popl %%eax\n\t" \ 36 "popl %%eax\n\t" \
37 "1:\n" : \ 37 "1:\n" \
38 "+m" (*(volatile int *)rw) : : "memory") 38 :"+m" (*(volatile int *)rw) : : "memory")
39 39
40#define __build_read_lock(rw, helper) do { \ 40#define __build_read_lock(rw, helper) do { \
41 if (__builtin_constant_p(rw)) \ 41 if (__builtin_constant_p(rw)) \
@@ -45,23 +45,21 @@
45 } while (0) 45 } while (0)
46 46
47#define __build_write_lock_ptr(rw, helper) \ 47#define __build_write_lock_ptr(rw, helper) \
48 asm volatile(LOCK_PREFIX " ; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ 48 asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
49 "jz 1f\n" \ 49 "jz 1f\n" \
50 "call " helper "\n\t" \ 50 "call " helper "\n\t" \
51 "1:\n", \ 51 "1:\n" \
52 "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t", \ 52 ::"a" (rw) : "memory")
53 :"a" (rw) : "memory")
54 53
55#define __build_write_lock_const(rw, helper) \ 54#define __build_write_lock_const(rw, helper) \
56 asm volatile(LOCK_PREFIX " ; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ 55 asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
57 "jz 1f\n" \ 56 "jz 1f\n" \
58 "pushl %%eax\n\t" \ 57 "pushl %%eax\n\t" \
59 "leal %0,%%eax\n\t" \ 58 "leal %0,%%eax\n\t" \
60 "call " helper "\n\t" \ 59 "call " helper "\n\t" \
61 "popl %%eax\n\t" \ 60 "popl %%eax\n\t" \
62 "1:\n", \ 61 "1:\n" \
63 "subl $" RW_LOCK_BIAS_STR ",%0\n\t", \ 62 :"+m" (*(volatile int *)rw) : : "memory")
64 "+m" (*(volatile int *)rw) : : "memory")
65 63
66#define __build_write_lock(rw, helper) do { \ 64#define __build_write_lock(rw, helper) do { \
67 if (__builtin_constant_p(rw)) \ 65 if (__builtin_constant_p(rw)) \