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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:56:44 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:56:44 +0000
commit4045407fd7740642b18bc802e8bab064e79a61e5 (patch)
tree9412a38886bfad562bc5897c6e4c23bb88703204 /arch/s390/mm/fault.c
parent59136ef3c596606d3eef920dc3e0fdfa2ce52c6f (diff)
parent4c5f830c4c9d4f19c1eef356c0cd322b46d695c9 (diff)
Merge branch 'restart-cleanup' into restart
Conflicts: arch/arm/kernel/setup.c
Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r--arch/s390/mm/fault.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 1766def5bc3f..a9a301866b3c 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -587,8 +587,13 @@ static void pfault_interrupt(unsigned int ext_int_code,
} else {
/* Completion interrupt was faster than initial
* interrupt. Set pfault_wait to -1 so the initial
- * interrupt doesn't put the task to sleep. */
- tsk->thread.pfault_wait = -1;
+ * interrupt doesn't put the task to sleep.
+ * If the task is not running, ignore the completion
+ * interrupt since it must be a leftover of a PFAULT
+ * CANCEL operation which didn't remove all pending
+ * completion interrupts. */
+ if (tsk->state == TASK_RUNNING)
+ tsk->thread.pfault_wait = -1;
}
put_task_struct(tsk);
} else {