tree 0faa614cfabaff1ba0d6f558c7dc8222583ed38d
parent 951dd323b8c08c016bdcb2d7552dee37dc6b3b1f
author Andi Kleen <[EMAIL PROTECTED]> Tue Apr 12 08:25:32 2005
committer Linus Torvalds <[EMAIL PROTECTED]> Tue Apr 12 08:25:32 2005
[PATCH] x86_64: Minor microoptimization in syscall entry slow path
Minor microoptimization in syscall entry slow path
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
entry.S | 4 +---
1 files changed, 1 insertion(+), 3 deletions(-)
Index: arch/x86_64/kernel/entry.S
===================================================================
--- aafe15bc30b95307bcde77a54bafd478c1c27225/arch/x86_64/kernel/entry.S
(mode:100644 sha1:c7d1699694b3f1ae18a2889f241013e8b7207221)
+++ 0faa614cfabaff1ba0d6f558c7dc8222583ed38d/arch/x86_64/kernel/entry.S
(mode:100644 sha1:8f329be9348b8fb33d76968de4dddf974edbafe4)
@@ -302,9 +302,7 @@
leaq 8(%rsp),%rdi # &ptregs -> arg1
call syscall_trace_leave
popq %rdi
- btr $TIF_SYSCALL_TRACE,%edi
- btr $TIF_SYSCALL_AUDIT,%edi
- btr $TIF_SINGLESTEP,%edi
+ andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi
jmp int_restore_rest
int_signal:
-
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