s390/kernel: use stnsm 255 instead of stosm 0
authorChristian Borntraeger <borntraeger@de.ibm.com>
Tue, 16 Dec 2014 09:25:37 +0000 (10:25 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 18 Dec 2014 12:37:15 +0000 (13:37 +0100)
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>
arch/s390/include/asm/irqflags.h

Simple merge