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| author | Glauber Costa <gcosta@redhat.com> | 2008-06-24 12:40:55 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 09:14:06 +0200 |
| commit | 268cf048c890d10bd3a86bd87922ed8a722d502f (patch) | |
| tree | f5ea14b5f422686a537561a37569c40722327d8a /include | |
| parent | 6c2d458680d49d939ffd4b4cdc84d9e004d65910 (diff) | |
| download | op-kernel-dev-268cf048c890d10bd3a86bd87922ed8a722d502f.zip op-kernel-dev-268cf048c890d10bd3a86bd87922ed8a722d502f.tar.gz | |
x86: don't save ebx in putuser_32.S.
Clobber it in the inline asm macros, and let the compiler do this for us.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/uaccess_32.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h index 8e7595c..0ecfe47 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. |
