[S390] Introduce get_clock_fast()
authorJan Glauber <jang@linux.vnet.ibm.com>
Sun, 30 Oct 2011 14:17:04 +0000 (15:17 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Sun, 30 Oct 2011 14:16:45 +0000 (15:16 +0100)
commit80376f347d70ce5fcfb98105d83624518e0911d6
tree9592c2968b21812d1ad1a200af70e959fb74d463
parent388186bc920d9200202e4d25de66fa95b1b8fc68
[S390] Introduce get_clock_fast()

Add get_clock_fast() which uses the slightly faster stckf if available.
If stckf is not available fall back to stck, which has the same width.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/timex.h