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authorAndi Kleen <ak@suse.de>2005-05-01 08:58:51 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 08:58:51 -0700
commitbe9e68703c53fece406bc2e40976a5cfe2a8e77f (patch)
treeefa540d85ab7a193a402ba952e4c8fe63fe18f25
parent3c3b73b6f50a47601b1897deb9c6b4b5ecadf591 (diff)
downloadop-kernel-dev-be9e68703c53fece406bc2e40976a5cfe2a8e77f.zip
op-kernel-dev-be9e68703c53fece406bc2e40976a5cfe2a8e77f.tar.gz
[PATCH] x86_64: interrupt handling fix
- 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>
-rw-r--r--arch/x86_64/kernel/entry.S5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 3233a15..1086b5f 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -296,6 +296,7 @@ int_very_careful:
call syscall_trace_leave
popq %rdi
andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi
+ cli
jmp int_restore_rest
int_signal:
@@ -307,6 +308,7 @@ int_signal:
1: movl $_TIF_NEED_RESCHED,%edi
int_restore_rest:
RESTORE_REST
+ cli
jmp int_with_check
CFI_ENDPROC
@@ -490,7 +492,8 @@ retint_signal:
call do_notify_resume
RESTORE_REST
cli
- GET_THREAD_INFO(%rcx)
+ GET_THREAD_INFO(%rcx)
+ movl $_TIF_WORK_MASK,%edi
jmp retint_check
#ifdef CONFIG_PREEMPT
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