Commit 36c1104e authored Apr 16, 2005 by Andi Kleen Committed by Linus Torvalds Apr 16, 2005

[PATCH] x86_64: Minor microoptimization in syscall entry slow path



Minor microoptimization in syscall entry slow path

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent d61915da

arch/x86_64/kernel/entry.S

+1 −3

Original line number	Diff line number	Diff line
		@@ -302,9 +302,7 @@ int_very_careful:
		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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