workqueue: Fix isolated CPUs interference problem
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2182337
MR: !2336 (merged)
This MR backports Valentin's workqueue patches to solve the isolated CPUs interference problem reported in the BZ. This MR also pulls in some dependency workqueue and known fix patches to minimize merge conflicts and proactively resolve potential problems.
Signed-off-by: Waiman Long longman@redhat.com
Edited by Waiman Long