]> git.baikalelectronics.ru Git - kernel.git/commit
s390/cmf: simplify copy_block
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Wed, 6 Sep 2017 08:44:23 +0000 (10:44 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 28 Sep 2017 05:29:42 +0000 (07:29 +0200)
commit144a32430e754a2cb051d93499823c8d00de1df7
tree66087098513788356b2f24b03c0ea66120486e49
parent1e957517c5e94a0aff08a63ff634daecd97a67ca
s390/cmf: simplify copy_block

cmf_copy_block tries to ensure data consistency by copying the
channel measurement block twice and comparing the data. This was
needed on very old machines only. Nowadays we guarantee
consistency by copying the data when the channel is idle.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/cmf.c