]> 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)
commitc23281cbaea02cad34694cbf759bf56c28f06376
tree66087098513788356b2f24b03c0ea66120486e49
parent9bd14010f454e4b1740e2ef0704a26f03f3f69cb
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