Re: [PATCH] rcu: Provide a boot time parameter to enable lazy RCU

From: Frederic Weisbecker
Date: Thu Nov 23 2023 - 13:04:30 EST


Le Thu, Nov 23, 2023 at 09:42:12AM -0800, Paul E. McKenney a écrit :
> On Tue, Nov 21, 2023 at 10:15:56PM +0000, Qais Yousef wrote:
> > On 11/22/23 15:26, Paul E. McKenney wrote:
> >
> > > > Either way; I'll follow what the crowd wants too :-)
> > >
> > > Usually a wise choice. ;-)
> > >
> > > But I must defer to the people using it.
> >
> > >From Android PoV I'd like to be able to boot with default disabled and allow
> > people to opt-in. At least for the time being until we have confidence no one
> > is caught with surprise if this caused unexpected problems.
> >
> > In the future it might default to on once it gets wider usage and testing.
> >
> > So having a new Kconfig to DEFAULT_OFF sounds good to me to enable a compile
> > time switch to pick the default with a boot time to further control.
> >
> > Which would be my plan for v2 unless I hear another suggestion in the coming
> > week (where I hope people would have had a chance to look and think about it).
>
> Sounds good to me! Silence will be interpreted as assent. ;-)

Silence sounds good to me :-)

Thanks.