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authorArnd Bergmann <arnd@arndb.de>2011-12-06 14:23:35 +0000
committerArnd Bergmann <arnd@arndb.de>2011-12-06 14:23:35 +0000
commit3642a0a2c7d2d1949988d0fd004a8039c1f3d02f (patch)
treee687c88b1b66ad51a6a6c529f7f328f2d3b625fa /arch/s390/mm/fault.c
parent58a273745fbb2fbd01d26e7a60f0acc8c1d99469 (diff)
parentb07fed455c883f07f8e847f5b0d79975b4dc8e7a (diff)
downloadolio-linux-3.10-3642a0a2c7d2d1949988d0fd004a8039c1f3d02f.tar.xz
olio-linux-3.10-3642a0a2c7d2d1949988d0fd004a8039c1f3d02f.zip
Merge branch 'mxs/saif' into next/drivers
Conflicts: drivers/net/ethernet/cadence/Kconfig
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 1766def5bc3..a9a301866b3 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 {