From 10ffdbb8d605be88b148f127ec86452f1364d4f0 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Mon, 16 May 2005 21:53:19 -0700 Subject: [PATCH] x86_64: Readd missing tests in entry.S Cleans up the system exit call slightly and synchronizes with my tree again. Signed-off-by: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86_64/kernel/entry.S | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index 1086b5fcac21..28817490fdc6 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -220,13 +220,18 @@ sysret_careful: jmp sysret_check /* Handle a signal */ - /* edx: work flags (arg3) */ sysret_signal: sti + testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx + jz 1f + + /* Really a signal */ + /* edx: work flags (arg3) */ leaq do_notify_resume(%rip),%rax leaq -ARGOFFSET(%rsp),%rdi # &pt_regs -> arg1 xorl %esi,%esi # oldset -> arg2 call ptregscall_common +1: movl $_TIF_NEED_RESCHED,%edi jmp sysret_check /* Do syscall tracing */ @@ -484,6 +489,8 @@ retint_careful: jmp retint_check retint_signal: + testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx + jz retint_swapgs sti SAVE_REST movq $-1,ORIG_RAX(%rsp) @@ -492,8 +499,8 @@ retint_signal: call do_notify_resume RESTORE_REST cli + movl $_TIF_NEED_RESCHED,%edi GET_THREAD_INFO(%rcx) - movl $_TIF_WORK_MASK,%edi jmp retint_check #ifdef CONFIG_PREEMPT -- cgit v1.2.3-59-g8ed1b