s390/spinlock: disabled compare-and-delay by default

Browse source

Until we have hard performance data about the effects of CAD in the
spinlock loop disable the instruction by default.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

...

This commit is contained in:

Martin Schwidefsky 2015-02-19 17:53:16 +01:00

parent 4ba2815d3b

commit 61b0b01686

1 changed files with 7 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

arch/s390/kernel/early.c

View file