Re: [PATCH 00/10] rcu: Add missing RCU idle APIs on idle loop

From: Frederic Weisbecker
Date: Thu Aug 23 2012 - 17:51:22 EST


On Thu, Aug 23, 2012 at 10:23:22PM +0200, Geert Uytterhoeven wrote:
> Hi Frederic,
>
> On Thu, Aug 23, 2012 at 1:02 PM, Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> > On Wed, Aug 22, 2012 at 07:18:04PM +0200, Geert Uytterhoeven wrote:
> >> On Wed, Aug 22, 2012 at 6:23 PM, Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> >> > So this fixes some potential RCU stalls in a bunch of architectures.
> >> > When rcu_idle_enter()/rcu_idle_exit() became a requirement, we forgot
> >> > to handle the architectures that don't support CONFIG_NO_HZ.
> >> >
> >> > I guess the set should be dispatched into arch maintainer trees.
> >>
> >> I can take the m68k version, but are you sure you want it this way?
> >> Each of them must be in mainline before they can enter stable.
> >
> > Yeah, I was thinking the right route is for these patches to be
> > carried by arch maintainer who then push to Linus and then this goes
> > to stable.
> >
> > Is that ok for you?
> >
> > Otherwise I can carry the patches myself. In a tree of my own, or
> > Paul's or mmotm. As long as I have your ack.
>
> I applied your patch to the m68k for-3.6/for-linus branch.
> I'll ask Linus to pull later in the rc cycle (right now I don't have
> anything else
> queued for 3.6).
> Still, I think it's better to just collect acks and send it to Linus
> in one shot,
> so it can go into stable in one shot too.

Sure I can do that if you prefer.

Thanks.

>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds
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