[PATCH] x86_64: Fix a small missing schedule race

Could lead to a lost reschedule event when the process already rescheduled on
exception exit, and needs it again while still being in the kernel.  Unlikely
case though.

Also remove one redundant cli in another entry.S 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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 3e888c2e5a06..887c5f017d28 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -284,6 +284,7 @@ int_careful:
         pushq %rdi
         call schedule
         popq %rdi
+        cli
         jmp int_with_check
 
         /* handle signals and tracing -- both require a full stack frame */
@@ -453,7 +454,6 @@ retint_check:
         andl %edi,%edx
         jnz  retint_careful
 retint_swapgs:          
-        cli
         swapgs 
 retint_restore_args:                            
         cli