x86: Be consistent with data size in getuser.S
Consistently use the data register by name and use a sized assembly
instruction in getuser.S. There is never any reason to macroize it,
and being inconsistent in the same file is just annoying.
No actual code change.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S
index d3bf9f9..a451235 100644
--- a/arch/x86/lib/getuser.S
+++ b/arch/x86/lib/getuser.S
@@ -41,7 +41,7 @@
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
ASM_STAC
-1: movzb (%_ASM_AX),%edx
+1: movzbl (%_ASM_AX),%edx
xor %eax,%eax
ASM_CLAC
ret
@@ -71,7 +71,7 @@
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
ASM_STAC
-3: mov -3(%_ASM_AX),%edx
+3: movl -3(%_ASM_AX),%edx
xor %eax,%eax
ASM_CLAC
ret
@@ -87,7 +87,7 @@
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
ASM_STAC
-4: movq -7(%_ASM_AX),%_ASM_DX
+4: movq -7(%_ASM_AX),%rdx
xor %eax,%eax
ASM_CLAC
ret
@@ -98,8 +98,8 @@
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user_8
ASM_STAC
-4: mov -7(%_ASM_AX),%edx
-5: mov -3(%_ASM_AX),%ecx
+4: movl -7(%_ASM_AX),%edx
+5: movl -3(%_ASM_AX),%ecx
xor %eax,%eax
ASM_CLAC
ret