On Tue, 7 Feb 2017, Thomas Gleixner wrote: > > Yep. Hotplug events are pretty significant. Using stop_machine_XXXX() etc > > would be advisable and that would avoid the taking of locks and get rid of > > all the > > ocmplexity, reduce the code size and make the overall system much more > > reliable. > > Huch? stop_machine() is horrible and heavy weight. Don't go there, there > must be simpler solutions than that.
Inserting or removing hardware is a heavy process. This would help quite a bit with these issues for loops over active cpus.
