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author | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-29 09:07:00 -0800 |
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committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-29 09:07:00 -0800 |
commit | 4064e0ea3c0e9427e6c22392c4b69b4bfa1b7125 (patch) | |
tree | 888b52771f540552a9dc85521d8dddf66eba9aeb /arch/x86/lib | |
parent | 9b3965f7401b0cc3ed2c228085a4c13b1c9243b1 (diff) | |
parent | f4bcd8ccddb02833340652e9f46f5127828eb79d (diff) | |
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Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build
Bring in upstream merge of x86/kaslr for future patches.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/lib')
-rw-r--r-- | arch/x86/lib/copy_user_64.S | 12 | ||||
-rw-r--r-- | arch/x86/lib/delay.c | 1 |
2 files changed, 4 insertions, 9 deletions
diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S index a30ca15be21c..dee945d55594 100644 --- a/arch/x86/lib/copy_user_64.S +++ b/arch/x86/lib/copy_user_64.S @@ -186,7 +186,7 @@ ENTRY(copy_user_generic_unrolled) 30: shll $6,%ecx addl %ecx,%edx jmp 60f -40: lea (%rdx,%rcx,8),%rdx +40: leal (%rdx,%rcx,8),%edx jmp 60f 50: movl %ecx,%edx 60: jmp copy_user_handle_tail /* ecx is zerorest also */ @@ -236,8 +236,6 @@ ENDPROC(copy_user_generic_unrolled) ENTRY(copy_user_generic_string) CFI_STARTPROC ASM_STAC - andl %edx,%edx - jz 4f cmpl $8,%edx jb 2f /* less than 8 bytes, go to byte copy loop */ ALIGN_DESTINATION @@ -249,12 +247,12 @@ ENTRY(copy_user_generic_string) 2: movl %edx,%ecx 3: rep movsb -4: xorl %eax,%eax + xorl %eax,%eax ASM_CLAC ret .section .fixup,"ax" -11: lea (%rdx,%rcx,8),%rcx +11: leal (%rdx,%rcx,8),%ecx 12: movl %ecx,%edx /* ecx is zerorest also */ jmp copy_user_handle_tail .previous @@ -279,12 +277,10 @@ ENDPROC(copy_user_generic_string) ENTRY(copy_user_enhanced_fast_string) CFI_STARTPROC ASM_STAC - andl %edx,%edx - jz 2f movl %edx,%ecx 1: rep movsb -2: xorl %eax,%eax + xorl %eax,%eax ASM_CLAC ret diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c index 7c3bee636e2f..39d6a3db0b96 100644 --- a/arch/x86/lib/delay.c +++ b/arch/x86/lib/delay.c @@ -16,7 +16,6 @@ #include <linux/timex.h> #include <linux/preempt.h> #include <linux/delay.h> -#include <linux/init.h> #include <asm/processor.h> #include <asm/delay.h> |