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s390/idle: add missing irq off lockdep annotation

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psw_idle() returns with interrupts disabled, so we should add the
missing annotation.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2014-12-01 14:24:41 +01:00 committed by Martin Schwidefsky
parent 832a771034
commit 200e7c0ffb
1 changed files with 2 additions and 0 deletions
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arch/s390/kernel/idle.c
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@ -35,6 +35,8 @@ void enabled_wait(void)
/* Call the assembler magic in entry.S */
psw_idle(idle, psw_mask);
trace_hardirqs_off();
/* Account time spent with enabled wait psw loaded as idle time. */
idle->sequence++;
smp_wmb();