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x86: don't use word-size specifiers on getuser_64. 

The instructions access registers, so the size is unambiguous.

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>
This commit is contained in:
Glauber Costa 2008-06-24 11:21:53 -03:00 committed by Ingo Molnar
parent 26ccb8a718
commit ef8c1a2d0e
1 changed files with 14 additions and 14 deletions
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28
arch/x86/lib/getuser_64.S
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@ -37,57 +37,57 @@
ENTRY(__get_user_1) ENTRY(__get_user_1)
CFI_STARTPROC CFI_STARTPROC
GET_THREAD_INFO(%rdx) GET_THREAD_INFO(%rdx)
cmpq TI_addr_limit(%rdx),%rax cmp TI_addr_limit(%rdx),%rax
jae bad_get_user jae bad_get_user
1: movzb (%rax),%edx 1: movzb (%rax),%edx
xorl %eax,%eax xor %eax,%eax
ret ret
CFI_ENDPROC CFI_ENDPROC
ENDPROC(__get_user_1) ENDPROC(__get_user_1)
ENTRY(__get_user_2) ENTRY(__get_user_2)
CFI_STARTPROC CFI_STARTPROC
addq $1,%rax add $1,%rax
jc bad_get_user jc bad_get_user
GET_THREAD_INFO(%rdx) GET_THREAD_INFO(%rdx)
cmpq TI_addr_limit(%rdx),%rax cmp TI_addr_limit(%rdx),%rax
jae bad_get_user jae bad_get_user
2: movzwl -1(%rax),%edx 2: movzwl -1(%rax),%edx
xorl %eax,%eax xor %eax,%eax
ret ret
CFI_ENDPROC CFI_ENDPROC
ENDPROC(__get_user_2) ENDPROC(__get_user_2)
ENTRY(__get_user_4) ENTRY(__get_user_4)
CFI_STARTPROC CFI_STARTPROC
addq $3,%rax add $3,%rax
jc bad_get_user jc bad_get_user
GET_THREAD_INFO(%rdx) GET_THREAD_INFO(%rdx)
cmpq TI_addr_limit(%rdx),%rax cmp TI_addr_limit(%rdx),%rax
jae bad_get_user jae bad_get_user
3: movl -3(%rax),%edx 3: mov -3(%rax),%edx
xorl %eax,%eax xor %eax,%eax
ret ret
CFI_ENDPROC CFI_ENDPROC
ENDPROC(__get_user_4) ENDPROC(__get_user_4)
ENTRY(__get_user_8) ENTRY(__get_user_8)
CFI_STARTPROC CFI_STARTPROC
addq $7,%rax add $7,%rax
jc bad_get_user jc bad_get_user
GET_THREAD_INFO(%rdx) GET_THREAD_INFO(%rdx)
cmpq TI_addr_limit(%rdx),%rax cmp TI_addr_limit(%rdx),%rax
jae bad_get_user jae bad_get_user
4: movq -7(%rax),%rdx 4: movq -7(%rax),%rdx
xorl %eax,%eax xor %eax,%eax
ret ret
CFI_ENDPROC CFI_ENDPROC
ENDPROC(__get_user_8) ENDPROC(__get_user_8)
bad_get_user: bad_get_user:
CFI_STARTPROC CFI_STARTPROC
xorl %edx,%edx xor %edx,%edx
movq $(-EFAULT),%rax mov $(-EFAULT),%rax
ret ret
CFI_ENDPROC CFI_ENDPROC
END(bad_get_user) END(bad_get_user)