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Date: Fri, 27 Jun 2008 18:34:18 -0300 From: Glauber Costa <gcosta@...hat.com> To: linux-kernel@...r.kernel.org Cc: tglx@...utronix.de, mingo@...e.hu, x86@...nel.org Subject: [PATCH 11/39] Don't use word-size specifiers on getuser_64 The instructions access registers, so the size is unambiguous. Signed-off-by: Glauber Costa <gcosta@...hat.com> --- arch/x86/lib/getuser_64.S | 28 ++++++++++++++-------------- 1 files changed, 14 insertions(+), 14 deletions(-) diff --git a/arch/x86/lib/getuser_64.S b/arch/x86/lib/getuser_64.S index 0ec7890..6134752 100644 --- a/arch/x86/lib/getuser_64.S +++ b/arch/x86/lib/getuser_64.S @@ -37,57 +37,57 @@ ENTRY(__get_user_1) CFI_STARTPROC GET_THREAD_INFO(%rdx) - cmpq TI_addr_limit(%rdx),%rax + cmp TI_addr_limit(%rdx),%rax jae bad_get_user 1: movzb (%rax),%edx - xorl %eax,%eax + xor %eax,%eax ret CFI_ENDPROC ENDPROC(__get_user_1) ENTRY(__get_user_2) CFI_STARTPROC - addq $1,%rax + add $1,%rax jc bad_get_user GET_THREAD_INFO(%rdx) - cmpq TI_addr_limit(%rdx),%rax + cmp TI_addr_limit(%rdx),%rax jae bad_get_user 2: movzwl -1(%rax),%edx - xorl %eax,%eax + xor %eax,%eax ret CFI_ENDPROC ENDPROC(__get_user_2) ENTRY(__get_user_4) CFI_STARTPROC - addq $3,%rax + add $3,%rax jc bad_get_user GET_THREAD_INFO(%rdx) - cmpq TI_addr_limit(%rdx),%rax + cmp TI_addr_limit(%rdx),%rax jae bad_get_user -3: movl -3(%rax),%edx - xorl %eax,%eax +3: mov -3(%rax),%edx + xor %eax,%eax ret CFI_ENDPROC ENDPROC(__get_user_4) ENTRY(__get_user_8) CFI_STARTPROC - addq $7,%rax + add $7,%rax jc bad_get_user GET_THREAD_INFO(%rdx) - cmpq TI_addr_limit(%rdx),%rax + cmp TI_addr_limit(%rdx),%rax jae bad_get_user 4: movq -7(%rax),%rdx - xorl %eax,%eax + xor %eax,%eax ret CFI_ENDPROC ENDPROC(__get_user_8) bad_get_user: CFI_STARTPROC - xorl %edx,%edx - movq $(-EFAULT),%rax + xor %edx,%edx + mov $(-EFAULT),%rax ret CFI_ENDPROC END(bad_get_user) -- 1.5.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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