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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-05-10 09:56:34 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-05-16 14:42:42 +0200
commit0a16ba7866fd5cd802d49801a099f4c558ce99c7 (patch)
tree17f281a9944060b198c54720c73fa652e7474935 /arch/s390/mm
parent54c27791227756b37504bd35b9ad0a40d1ae4c4b (diff)
downloadlinux-linaro-stable-0a16ba7866fd5cd802d49801a099f4c558ce99c7.tar.gz
s390/pfault: use __set_task_state
Use __set_task_state() instead of set_task_state(). Saves a couple of instructions, since the memory barrier is not needed here. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm')
-rw-r--r--arch/s390/mm/fault.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 4306f5e75a33..a9c11aa57450 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -586,7 +586,7 @@ static void pfault_interrupt(struct ext_code ext_code,
/* signal bit not set -> a real page is missing. */
if (tsk->thread.pfault_wait == 1) {
/* Already on the list with a reference: put to sleep */
- set_task_state(tsk, TASK_UNINTERRUPTIBLE);
+ __set_task_state(tsk, TASK_UNINTERRUPTIBLE);
set_tsk_need_resched(tsk);
} else if (tsk->thread.pfault_wait == -1) {
/* Completion interrupt was faster than the initial
@@ -602,7 +602,7 @@ static void pfault_interrupt(struct ext_code ext_code,
get_task_struct(tsk);
tsk->thread.pfault_wait = 1;
list_add(&tsk->thread.list, &pfault_list);
- set_task_state(tsk, TASK_UNINTERRUPTIBLE);
+ __set_task_state(tsk, TASK_UNINTERRUPTIBLE);
set_tsk_need_resched(tsk);
}
}