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authorJoel Stanley <joel@jms.id.au>2016-11-21 02:38:38 +0300
committerJoel Stanley <joel@jms.id.au>2016-11-21 02:38:47 +0300
commitc55cf1296a0429d91b940a49a59977617a4e4cb3 (patch)
tree11d7ae008a0ad5bfe4110966b6df7c44cff723fd /arch/x86/include
parent5509e6ee766f6b910c3b81c02bae291fc1d9a806 (diff)
parent86429bd405de5741df4127096deae0b1d90b68f1 (diff)
downloadlinux-dev-4.4.tar.xz
Merge tag 'v4.4.33' into dev-4.4openbmc-4.4-20161121-1dev-4.4
This is the 4.4.33 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/uaccess.h16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index d42252ce9b4d..b8c75f3aade8 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -332,7 +332,7 @@ do { \
#define __get_user_asm_u64(x, ptr, retval, errret) \
__get_user_asm(x, ptr, retval, "q", "", "=r", errret)
#define __get_user_asm_ex_u64(x, ptr) \
- __get_user_asm_ex(x, ptr, "q", "", "=r")
+ __get_user_asm_ex(x, ptr, "q", "", "=&r")
#endif
#define __get_user_size(x, ptr, size, retval, errret) \
@@ -375,13 +375,13 @@ do { \
__chk_user_ptr(ptr); \
switch (size) { \
case 1: \
- __get_user_asm_ex(x, ptr, "b", "b", "=q"); \
+ __get_user_asm_ex(x, ptr, "b", "b", "=&q"); \
break; \
case 2: \
- __get_user_asm_ex(x, ptr, "w", "w", "=r"); \
+ __get_user_asm_ex(x, ptr, "w", "w", "=&r"); \
break; \
case 4: \
- __get_user_asm_ex(x, ptr, "l", "k", "=r"); \
+ __get_user_asm_ex(x, ptr, "l", "k", "=&r"); \
break; \
case 8: \
__get_user_asm_ex_u64(x, ptr); \
@@ -394,12 +394,8 @@ do { \
#define __get_user_asm_ex(x, addr, itype, rtype, ltype) \
asm volatile("1: mov"itype" %1,%"rtype"0\n" \
"2:\n" \
- ".section .fixup,\"ax\"\n" \
- "3:xor"itype" %"rtype"0,%"rtype"0\n" \
- " jmp 2b\n" \
- ".previous\n" \
- _ASM_EXTABLE_EX(1b, 3b) \
- : ltype(x) : "m" (__m(addr)))
+ _ASM_EXTABLE_EX(1b, 2b) \
+ : ltype(x) : "m" (__m(addr)), "0" (0))
#define __put_user_nocheck(x, ptr, size) \
({ \