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

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Message-ID: <CAMuHMdUt62GsYsPMAPbUWZUtFL=c2VmYFintpDAQmSwQrWriuA@mail.gmail.com>
Date:	Wed, 22 Aug 2012 19:18:04 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Chris Zankel <chris@...kel.net>, "3.2.x.." <stable@...nel.org>,
	Chen Liqin <liqin.chen@...plusct.com>,
	Lennox Wu <lennox.wu@...il.com>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	Helge Deller <deller@....de>,
	Parisc <linux-parisc@...r.kernel.org>,
	David Howells <dhowells@...hat.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>,
	m68k <linux-m68k@...ts.linux-m68k.org>,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Mikael Starvik <starvik@...s.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	Cris <linux-cris-kernel@...s.com>,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Matt Turner <mattst88@...il.com>,
	alpha <linux-alpha@...r.kernel.org>
Subject: Re: [PATCH 00/10] rcu: Add missing RCU idle APIs on idle loop

On Wed, Aug 22, 2012 at 6:23 PM, Frederic Weisbecker <fweisbec@...il.com> 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.

> I'm sorry I haven't built tested everywhere. But the changes are
> small and need to be at least boot tested anyway.

Builds and boots fine on m68k under ARAnyM.
Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org> (for m68k)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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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