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[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>
hifive-unleashed-5.1
Andi Kleen 2005-04-16 15:25:01 -07:00 committed by Linus Torvalds
parent d61915da63
commit 36c1104e30
1 changed files with 1 additions and 3 deletions
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4
arch/x86_64/kernel/entry.S
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@ -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: