Messages in this thread | | | Date | Mon, 11 Dec 2017 15:15:37 -0500 | From | Steven Rostedt <> | Subject | Re: [RFC][PATCH] ipc: mqueue: wq_add priority changed to dynamic priority |
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On Mon, 11 Dec 2017 19:54:33 +0000 Jonathan Haws <jhaws@sdl.usu.edu> wrote:
> > Probably a better subject would be: > > > > ipc: mqueue: Have RT tasks queue in by priority in wq_add() > > Is the best way to change that just to change it in the email thread or > resubmit the patch as v2?
That, or whoever takes it could change it before they pull it into git.
> > > > > Other than that (and that this doesn't handle DL tasks), > > > > Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> > > > > -- Steve > > > > I'm still new to kernel scheduling details - can you elaborate on what > a DL task is? I'm happy to update the patch to handle DL tasks as well > if it makes sense to do so.
DL is a SCHED_DEADLINE task that has a dynamic priority that changes over time. It's not a trivial task to compare them in these situations, and they are currently not used much, and having DL tasks use this queue is probably even more rare of an occurrence.
-- Steve
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