Re: [RFC PATCH] kernel: allow to configure PREEMPT_NONE, PREEMPT_VOLUNTARY on kernel command line

From: Peter Zijlstra
Date: Fri Oct 09 2020 - 06:14:42 EST


On Fri, Oct 09, 2020 at 12:10:44PM +0200, Michal Hocko wrote:
> On Fri 09-10-20 11:42:45, Peter Zijlstra wrote:
> > On Fri, Oct 09, 2020 at 11:12:18AM +0200, Michal Hocko wrote:
> > > Is there any additional feedback? Should I split up the patch and repost
> > > for inclusion?
> >
> > Maybe remove PREEMPT_NONE after that? Since that's then equivalent to
> > building with VOLUNTARY and booting with preempt=none.
>
> So do you mean that I should post an additional patch which does this on
> top? With a justification that there is one option less to chose from?

Exactly!