path: root/arch/x86/include/asm/uaccess.h
diff options
authorH. Peter Anvin <>2009-07-20 23:27:39 -0700
committerH. Peter Anvin <>2009-07-20 23:27:39 -0700
commitebe119cd0929df4878f758ebf880cb435e4dcaaf (patch)
treea49e9eea03a557e7d5fe910c94ecd42e9717c3b2 /arch/x86/include/asm/uaccess.h
parent155b73529583c38f30fd394d692b15a893960782 (diff)
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 <> Cc: Uros Bizjak <> Cc:
Diffstat (limited to 'arch/x86/include/asm/uaccess.h')
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 20e6a795e160..d2c6c930b491 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")
#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)