Commit 0a16ba78 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 54c27791

arch/s390/mm/fault.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

		}

	}