Commit 81fc77fb authored Dec 16, 2014 by Christian Borntraeger Committed by Martin Schwidefsky Dec 18, 2014

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>

parent 032014bc

arch/s390/include/asm/irqflags.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)
		{
		return __arch_local_irq_stosm(0x00);
		return __arch_local_irq_stnsm(0xff);
		}

		static inline notrace unsigned long arch_local_irq_save(void)