Commit-ID: ebe119cd0929df4878f758ebf880cb435e4dcaaf
Gitweb: http://git.kernel.org/tip/ebe119cd0929df4878f758ebf880cb435e4dcaaf
Author: H. Peter Anvin <hpa@xxxxxxxxx>
AuthorDate: Mon, 20 Jul 2009 23:27:39 -0700
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Mon, 20 Jul 2009 23:27:39 -0700
x86: Fix movq immediate operand constraints in uaccess.h
The movq instruction, generated by __put_user_asm() when used for
64-bit data, takes a sign-extended immediate ("e") not a zero-extended
immediate ("Z").
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Uros Bizjak <ubizjak@xxxxxxxxx>
Cc: stable@xxxxxxxxxx
---
arch/x86/include/asm/uaccess.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 20e6a79..d2c6c93 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -212,9 +212,9 @@ extern int __get_user_bad(void);
: "A" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
#else
#define __put_user_asm_u64(x, ptr, retval, errret) \
- __put_user_asm(x, ptr, retval, "q", "", "Zr", errret)
+ __put_user_asm(x, ptr, retval, "q", "", "er", errret)
#define __put_user_asm_ex_u64(x, addr) \
- __put_user_asm_ex(x, addr, "q", "", "Zr")
+ __put_user_asm_ex(x, addr, "q", "", "er")
#define __put_user_x8(x, ptr, __ret_pu) __put_user_x(8, x, ptr, __ret_pu)
#endif
--
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