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[PATCH] x86_64: interrupt handling fix

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- Initialize workmask correctly on interrupt signal handling

- Readd missing cli's in the interrupt return 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>
This commit is contained in:
Andi Kleen 2005-05-01 08:58:51 -07:00 • committed by Linus Torvalds
parent 3c3b73b6f5
commit be9e68703c
1 changed files with 4 additions and 1 deletions
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5
arch/x86_64/kernel/entry.S
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@ -296,6 +296,7 @@ int_very_careful:
call syscall_trace_leave call syscall_trace_leave
popq %rdi popq %rdi
andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi
cli
jmp int_restore_rest jmp int_restore_rest
int_signal: int_signal:
@ -307,6 +308,7 @@ int_signal:
1: movl $_TIF_NEED_RESCHED,%edi 1: movl $_TIF_NEED_RESCHED,%edi
int_restore_rest: int_restore_rest:
RESTORE_REST RESTORE_REST
cli
jmp int_with_check jmp int_with_check
CFI_ENDPROC CFI_ENDPROC
@ -490,7 +492,8 @@ retint_signal:
call do_notify_resume call do_notify_resume
RESTORE_REST RESTORE_REST
cli cli
GET_THREAD_INFO(%rcx) GET_THREAD_INFO(%rcx)
movl $_TIF_WORK_MASK,%edi
jmp retint_check jmp retint_check
#ifdef CONFIG_PREEMPT #ifdef CONFIG_PREEMPT