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(parent: 2f7c8bd) | patch
[S390] switch sched_clock to store-clock-extended.
authorJan Glauber <jan.glauber@de.ibm.com>
Thu, 17 Apr 2008 05:46:16 +0000 (07:46 +0200)
committerHeiko Carstens <heiko.carstens@de.ibm.com>
Thu, 17 Apr 2008 05:47:02 +0000 (07:47 +0200)
commitc0015f91d8414f55d2debfe9984a04b98b48f087
tree114cfd865dda4b1c5860391c219a1b34dc74eacbtree | snapshot
parent2f7c8bd6dc6540aa3275c0ad9f657401985c00e9commit | diff
[S390] switch sched_clock to store-clock-extended.

Add get_clock_xt to read an 8 byte clock value using store clock
extended (STCKE) and use get_clock_xt for sched_clock. STCKE should
be faster than STCK on newer machines.

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
arch/s390/kernel/time.c diff | blob | history
include/asm-s390/timex.h diff | blob | history
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