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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-13 00:19:20 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-13 00:19:20 +0800 |
| commit | 68556ca1e03d6a35be3b315eba58df2f8176e3a0 (patch) | |
| tree | 36a390d29a0d03a59a90c0f223b0d98a80f0f6c3 /arch/s390/mm/fault.c | |
| parent | 0604ca48f1689ad06144b81f5c08f297b6edd831 (diff) | |
| parent | 8ab30691826fc05efa47c4ffba19b80496bb3a2c (diff) | |
| download | kernel_replicant_linux-68556ca1e03d6a35be3b315eba58df2f8176e3a0.tar.gz kernel_replicant_linux-68556ca1e03d6a35be3b315eba58df2f8176e3a0.tar.bz2 kernel_replicant_linux-68556ca1e03d6a35be3b315eba58df2f8176e3a0.zip | |
Merge branch 'mfd/wm8994' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into for-3.3
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 9 |
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 { |