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| author |   Glauber Costa <gcosta@redhat.com> | 2008-06-25 10:14:13 -0300 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-07-09 09:14:13 +0200 |
| commit | 53938a68a2f971058bc53aaa8c70f9f24f684cdc (patch) | |
| tree | 773fad2d90dabfda1572d4990c041e6331d93722 /include/asm-x86/uaccess_64.h | |
| parent | x86: merge putuser asm functions. (diff) | |
| download | linux-dev-53938a68a2f971058bc53aaa8c70f9f24f684cdc.tar.xz linux-dev-53938a68a2f971058bc53aaa8c70f9f24f684cdc.zip | |
x86: commonize __range_not_ok.
For i386, __range_not_ok is a better name than __range_ok, since
it returns 0 when it is in fact okay. Other than that,
both versions does not need the word size specifiers, and we remove them.
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>
Diffstat (limited to 'include/asm-x86/uaccess_64.h')
| -rw-r--r-- | include/asm-x86/uaccess_64.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h index f822a36cc1c0..012cba3972d7 100644 --- a/include/asm-x86/uaccess_64.h +++ b/include/asm-x86/uaccess_64.h @@ -41,8 +41,7 @@ ({ \ unsigned long flag, roksum; \ __chk_user_ptr(addr); \ - asm("# range_ok\n\r" \ - "addq %3,%1 ; sbbq %0,%0 ; cmpq %1,%4 ; sbbq $0,%0" \ + asm("add %3,%1 ; sbb %0,%0 ; cmp %1,%4 ; sbb $0,%0" \ : "=&r" (flag), "=r" (roksum) \ : "1" (addr), "g" ((long)(size)), \ "g" (current_thread_info()->addr_limit.seg)); \ |