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s390/kernel: use stnsm 255 instead of stosm 0 

On some models, stnsm 255 might be slightly faster than stosm 0.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christian Borntraeger 2014-12-16 10:25:37 +01:00 committed by Martin Schwidefsky
parent 032014bc04
commit 81fc77fbfc
1 changed files with 1 additions and 1 deletions
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2
arch/s390/include/asm/irqflags.h
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@ -36,7 +36,7 @@ static inline notrace void __arch_local_irq_ssm(unsigned long flags)
static inline notrace unsigned long arch_local_save_flags(void) static inline notrace unsigned long arch_local_save_flags(void)
{ {
return __arch_local_irq_stosm(0x00); return __arch_local_irq_stnsm(0xff);
} }
static inline notrace unsigned long arch_local_irq_save(void) static inline notrace unsigned long arch_local_irq_save(void)