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| author | Pekka Enberg <penberg@kernel.org> | 2012-01-11 20:11:29 +0100 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-01-11 20:11:29 +0100 |
| commit | 5878cf431ca7233a56819ca6970153ac0b129599 (patch) | |
| tree | e5d21d04a0b468d2dabbe3a3824f23b5537fc6a7 /arch/s390/mm/fault.c | |
| parent | slub: disallow changing cpu_partial from userspace for debug caches (diff) | |
| parent | slub: add missed accounting (diff) | |
| download | linux-5878cf431ca7233a56819ca6970153ac0b129599.tar.xz linux-5878cf431ca7233a56819ca6970153ac0b129599.zip | |
Merge branch 'slab/urgent' into slab/for-linus
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 { |