On Thu, Nov 19, 2020 at 02:21:25PM +0800, Yunfeng Ye wrote: > In realtime scenario, We do not want to have interference on the > isolated cpu cores. but when invoking alloc_workqueue() for percpu wq > on the housekeeping cpu, it kick a kworker on the isolated cpu. > > alloc_workqueue > pwq_adjust_max_active > wake_up_worker > > The comment in pwq_adjust_max_active() said: > "Need to kick a worker after thawed or an unbound wq's > max_active is bumped" > > So it is unnecessary to kick a kworker for percpu's wq when invoking > alloc_workqueue(). this patch only kick a worker based on the actual > activation of delayed works. > > Signed-off-by: Yunfeng Ye <yeyunf...@huawei.com>
Applied to wq/for-5.10-fixes w/ minor comment updates. Thanks. -- tejun
