From: Sebastian Siewior <bigeasy@linutronix.de>
The interrupts must be disabled before considering the need resched
bit of the task struct and they have to be disabled before calling
schedule()
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
diff -Naurp linux-2.6.25/arch/m68knommu/platform/coldfire/entry.S linux-2.6.25-uc0/arch/m68knommu/platform/coldfire/entry.S
--- linux-2.6.25/arch/m68knommu/platform/coldfire/entry.S 2008-04-17 12:49:44.000000000 +1000
+++ linux-2.6.25-uc0/arch/m68knommu/platform/coldfire/entry.S 2008-04-29 14:26:11.000000000 +1000
@@ -103,6 +103,7 @@ ret_from_signal:
addql #4,%sp
ret_from_exception:
+ move #0x2700,%sr /* disable intrs */
btst #5,%sp@(PT_SR) /* check if returning to kernel */
jeq Luser_return /* if so, skip resched, signals */
@@ -140,6 +141,7 @@ Lreturn:
Lwork_to_do:
movel %a0@(TI_FLAGS),%d1 /* get thread_info->flags */
+ move #0x2000,%sr /* enable intrs again */
btst #TIF_NEED_RESCHED,%d1
jne reschedule
--