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authorDave Airlie <airlied@redhat.com>2011-12-20 18:43:53 +0400
committerDave Airlie <airlied@redhat.com>2011-12-20 18:43:53 +0400
commit1fbe6f625f69e48c4001051dc1431afc704acfaa (patch)
tree826b741201a2e09a627ed350c6ff36935f5cff79 /arch/s390/mm/fault.c
parent0cecdd818cd79d092e36e70dfe3a71f2878d6b96 (diff)
parent384703b8e6cd4c8ef08512e596024e028c91c339 (diff)
downloadlinux-1fbe6f625f69e48c4001051dc1431afc704acfaa.tar.xz
Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next
Merge in the upstream tree to bring in the mainline fixes. Conflicts: drivers/gpu/drm/exynos/exynos_drm_fbdev.c drivers/gpu/drm/nouveau/nouveau_sgdma.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 {