s390/cpum_cf_diag: use get_tod_clock_fast()
authorHeiko Carstens <hca@linux.ibm.com>
Mon, 1 Feb 2021 20:40:22 +0000 (21:40 +0100)
committerVasily Gorbik <gor@linux.ibm.com>
Tue, 9 Feb 2021 14:57:05 +0000 (15:57 +0100)
commit683071b02c440eb84d9133dc33bd3d3d37522a5f
treed4d5838e2276f7ad52746250829ee892fa304a51
parentb29c5093820d333eef22f58cd04ec0d089059c39
s390/cpum_cf_diag: use get_tod_clock_fast()

Use get_tod_clock_fast() instead of store_tod_clock(), since
store_tod_clock() can be very slow.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
arch/s390/kernel/perf_cpum_cf_diag.c