---

yaml --- r: 100054 b: refs/heads/master c: 268cf04 h: refs/heads/master v: v3
git-mirror · Jul 9, 2008 · edbb8a4 · edbb8a4
1 parent d1c6978
commit edbb8a4
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Showing 3 changed files with 8 additions and 17 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6c2d458680d49d939ffd4b4cdc84d9e004d65910
+refs/heads/master: 268cf048c890d10bd3a86bd87922ed8a722d502f
diff --git a/trunk/arch/x86/lib/putuser_32.S b/trunk/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/trunk/include/asm-x86/uaccess_32.h b/trunk/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.