diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
| commit | 3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch) | |
| tree | 3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /arch/x86/lib/putuser_64.S | |
| parent | 88d1dce3a74367291f65a757fbdcaf17f042f30c (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts:
drivers/pci/quirks.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/lib/putuser_64.S')
| -rw-r--r-- | arch/x86/lib/putuser_64.S | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/arch/x86/lib/putuser_64.S b/arch/x86/lib/putuser_64.S deleted file mode 100644 index 4989f5a8fa9..00000000000 --- a/arch/x86/lib/putuser_64.S +++ /dev/null @@ -1,106 +0,0 @@ -/* - * __put_user functions. - * - * (C) Copyright 1998 Linus Torvalds - * (C) Copyright 2005 Andi Kleen - * - * These functions have a non-standard call interface - * to make them more efficient, especially as they - * return an error value in addition to the "real" - * return value. - */ - -/* - * __put_user_X - * - * Inputs: %rcx contains the address - * %rdx contains new value - * - * Outputs: %rax is error code (0 or -EFAULT) - * - * %r8 is destroyed. - * - * These functions should not modify any other registers, - * as they get called from within inline assembly. - */ - -#include <linux/linkage.h> -#include <asm/dwarf2.h> -#include <asm/page.h> -#include <asm/errno.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> - - .text -ENTRY(__put_user_1) - CFI_STARTPROC - GET_THREAD_INFO(%r8) - cmpq threadinfo_addr_limit(%r8),%rcx - jae bad_put_user -1: movb %dl,(%rcx) - xorl %eax,%eax - ret - CFI_ENDPROC -ENDPROC(__put_user_1) - -ENTRY(__put_user_2) - CFI_STARTPROC - GET_THREAD_INFO(%r8) - addq $1,%rcx - jc 20f - cmpq threadinfo_addr_limit(%r8),%rcx - jae 20f - decq %rcx -2: movw %dx,(%rcx) - xorl %eax,%eax - ret -20: decq %rcx - jmp bad_put_user - CFI_ENDPROC -ENDPROC(__put_user_2) - -ENTRY(__put_user_4) - CFI_STARTPROC - GET_THREAD_INFO(%r8) - addq $3,%rcx - jc 30f - cmpq threadinfo_addr_limit(%r8),%rcx - jae 30f - subq $3,%rcx -3: movl %edx,(%rcx) - xorl %eax,%eax - ret -30: subq $3,%rcx - jmp bad_put_user - CFI_ENDPROC -ENDPROC(__put_user_4) - -ENTRY(__put_user_8) - CFI_STARTPROC - GET_THREAD_INFO(%r8) - addq $7,%rcx - jc 40f - cmpq threadinfo_addr_limit(%r8),%rcx - jae 40f - subq $7,%rcx -4: movq %rdx,(%rcx) - xorl %eax,%eax - ret -40: subq $7,%rcx - jmp bad_put_user - CFI_ENDPROC -ENDPROC(__put_user_8) - -bad_put_user: - CFI_STARTPROC - movq $(-EFAULT),%rax - ret - CFI_ENDPROC -END(bad_put_user) - -.section __ex_table,"a" - .quad 1b,bad_put_user - .quad 2b,bad_put_user - .quad 3b,bad_put_user - .quad 4b,bad_put_user -.previous |