On 15-02-16, 02:13, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > > Rework the handling of work items by dbs_update_util_handler() and > dbs_work_handler() so the former (which is executed in scheduler > paths) only uses atomic operations when absolutely necessary. That > is, when the policy is shared and dbs_update_util_handler() has > already decided that this is the time to queue up a work item. > > In particular, this avoids the atomic ops entirely on platforms where > policy objects are never shared. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > --- > > This is a new version of https://patchwork.kernel.org/patch/8291051/ . > > Changes from the previous version: > - Added a new "is_shared" field to struct policy_dbs_info to be set for > shared policies to avoid evaluating cpumask_weight() every time > dbs_update_util_handler() decides to take a sample.
Acked-by: Viresh Kumar <viresh.ku...@linaro.org> -- viresh
