s390/time: always use stckf instead of stck if available
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 9 May 2012 14:27:39 +0000 (16:27 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 16 May 2012 12:42:41 +0000 (14:42 +0200)
commit473e66baad1e83e6c5dfdca65aba03bf21727202
treeaab0bd4a295b41d1e29952b2b1260ad72150496b
parent2739b6d12407792f253b7a15233930338e6831c9
s390/time: always use stckf instead of stck if available

The store clock fast instruction saves a couple of instructions compared
to the store clock instruction. Always use stckf instead of stck if it
is available.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/setup.h
arch/s390/include/asm/timex.h
arch/s390/kernel/early.c
arch/s390/kernel/entry64.S
drivers/s390/cio/qdio_main.c