On Tue, Jul 23, 2019 at 10:18:15AM +0800, Baolin Wang wrote: > Hi Michal, > > On Mon, 22 Jul 2019 at 23:26, Michał Mirosław <mirq-linux@xxxxxxxxxxxx> wrote: > > > > Rewrite console support to fix a few shortcomings of the old code > > preventing its use with multiple ports. This removes some duplicated > > code and replaces a custom kthread with simpler workqueue item. > Could you elaborate on why changing kthread to a workqueue? The > purpose of using kthread here is considering that the kthead has a > better scheduler response than pooled kworker. Mainly locking problems and single-instance design. The kthread looked like it's reimplementing workqueue mechanics. If the scheduling latency turns out important, the workqueue used can be changed to dedicated one or one with higher priority. Best Regards, Michał Mirosław
