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-rw-r--r--arch/x86/lib/putuser_32.S13
-rw-r--r--include/asm-x86/uaccess_32.h10
2 files changed, 7 insertions, 16 deletions
diff --git a/arch/x86/lib/putuser_32.S b/arch/x86/lib/putuser_32.S
index f58fba109d1..5b2a926f0e2 100644
--- a/arch/x86/lib/putuser_32.S
+++ b/arch/x86/lib/putuser_32.S
@@ -26,14 +26,8 @@
*/
#define ENTER CFI_STARTPROC ; \
- pushl %ebx ; \
- CFI_ADJUST_CFA_OFFSET 4 ; \
- CFI_REL_OFFSET ebx, 0 ; \
GET_THREAD_INFO(%ebx)
-#define EXIT popl %ebx ; \
- CFI_ADJUST_CFA_OFFSET -4 ; \
- CFI_RESTORE ebx ; \
- ret ; \
+#define EXIT ret ; \
CFI_ENDPROC
.text
@@ -81,10 +75,7 @@ ENTRY(__put_user_8)
ENDPROC(__put_user_8)
bad_put_user:
- CFI_STARTPROC simple
- CFI_DEF_CFA esp, 2*4
- CFI_OFFSET eip, -1*4
- CFI_OFFSET ebx, -2*4
+ CFI_STARTPROC
movl $-14,%eax
EXIT
END(bad_put_user)
diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h
index 8e7595c1f34..0ecfe47ad60 100644
--- a/include/asm-x86/uaccess_32.h
+++ b/include/asm-x86/uaccess_32.h
@@ -188,23 +188,23 @@ extern void __put_user_8(void);
#define __put_user_1(x, ptr) \
asm volatile("call __put_user_1" : "=a" (__ret_pu) \
- : "0" ((typeof(*(ptr)))(x)), "c" (ptr))
+ : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
#define __put_user_2(x, ptr) \
asm volatile("call __put_user_2" : "=a" (__ret_pu) \
- : "0" ((typeof(*(ptr)))(x)), "c" (ptr))
+ : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
#define __put_user_4(x, ptr) \
asm volatile("call __put_user_4" : "=a" (__ret_pu) \
- : "0" ((typeof(*(ptr)))(x)), "c" (ptr))
+ : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
#define __put_user_8(x, ptr) \
asm volatile("call __put_user_8" : "=a" (__ret_pu) \
- : "A" ((typeof(*(ptr)))(x)), "c" (ptr))
+ : "A" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
#define __put_user_X(x, ptr) \
asm volatile("call __put_user_X" : "=a" (__ret_pu) \
- : "c" (ptr))
+ : "c" (ptr): "ebx")
/**
* put_user: - Write a simple value into user space.