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authorGreg Kroah-Hartman <gregkh@suse.de>2011-11-26 20:07:25 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-26 20:07:25 -0800
commitdd7c7c3f69291baa488b8a50db683d5fbf44166a (patch)
tree925bf294f30dffaa67a983c3859926ff53937e14 /arch/s390/mm/fault.c
parent161e773cbd0c3d1b5b8cc00602e1f72de61ed4f7 (diff)
parentcaca6a03d365883564885f2c1da3e88dcf65d139 (diff)
Merge 3.2-rc3 into tty-next to handle merge conflict in tty_ldisc.c
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 {