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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Chris Zankel <chris@zankel.net>, "3.2.x.." <stable@kernel.org>,
	Chen Liqin <liqin.chen@sunplusct.com>,
	Lennox Wu <lennox.wu@gmail.com>,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	Helge Deller <deller@gmx.de>,
	Parisc <linux-parisc@vger.kernel.org>,
	David Howells <dhowells@redhat.com>,
	Koichi Yasutake <yasutake.koichi@jp.panasonic.com>,
	m68k <linux-m68k@lists.linux-m68k.org>,
	Hirokazu Takata <takata@linux-m32r.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Mikael Starvik <starvik@axis.com>,
	Jesper Nilsson <jesper.nilsson@axis.com>,
	Cris <linux-cris-kernel@axis.com>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	alpha <linux-alpha@vger.kernel.org>
Subject: Re: [PATCH 00/10] rcu: Add missing RCU idle APIs on idle loop
Date: Thu, 23 Aug 2012 23:50:55 +0200	[thread overview]
Message-ID: <20120823215052.GC19305@somewhere.redhat.com> (raw)
In-Reply-To: <CAMuHMdX5R_7EBGDu00zdy_P3q65BzKJbNeRwFcuwij8eHavTYQ@mail.gmail.com>

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@gmail.com> 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@gmail.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.
> >
> > 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@linux-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

WARNING: multiple messages have this Message-ID (diff)
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Chris Zankel <chris@zankel.net>, "3.2.x.." <stable@kernel.org>,
	Chen Liqin <liqin.chen@sunplusct.com>,
	Lennox Wu <lennox.wu@gmail.com>,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	Helge Deller <deller@gmx.de>,
	Parisc <linux-parisc@vger.kernel.org>,
	David Howells <dhowells@redhat.com>,
	Koichi Yasutake <yasutake.koichi@jp.panasonic.com>,
	m68k <linux-m68k@vger.kernel.org>,
	Hirokazu Takata <takata@linux-m32r.org>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Mikael Starvik <starvik@axis.com>,
	Jesper Nilsson <jesper.nilsson@axis.com>,
	Cris <linux-cris-kernel@axis.com>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	alpha <linux-alpha@vger.kernel.org>
Subject: Re: [PATCH 00/10] rcu: Add missing RCU idle APIs on idle loop
Date: Thu, 23 Aug 2012 23:50:55 +0200	[thread overview]
Message-ID: <20120823215052.GC19305@somewhere.redhat.com> (raw)
In-Reply-To: <CAMuHMdX5R_7EBGDu00zdy_P3q65BzKJbNeRwFcuwij8eHavTYQ@mail.gmail.com>

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@gmail.com> 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@gmail.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.
> >
> > 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@linux-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

  reply	other threads:[~2012-08-23 21:50 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-22 16:23 [PATCH 00/10] rcu: Add missing RCU idle APIs on idle loop Frederic Weisbecker
2012-08-22 16:23 ` Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 01/10] alpha: " Frederic Weisbecker
2012-08-22 17:19   ` Paul E. McKenney
2012-08-22 17:35     ` Frederic Weisbecker
2012-08-22 19:01       ` Paul E. McKenney
2012-08-23 10:42         ` Frederic Weisbecker
2012-08-23 12:25           ` Paul E. McKenney
2012-08-23  9:32   ` Michael Cree
2012-08-23 10:58     ` Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 02/10] cris: " Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 03/10] frv: " Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 04/10] h8300: " Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 05/10] m32r: " Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 06/10] m68k: " Frederic Weisbecker
2012-08-22 16:23 ` Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 07/10] mn10300: " Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 08/10] parisc: " Frederic Weisbecker
2012-08-24 13:26   ` John David Anglin
2012-08-22 16:23 ` [PATCH 09/10] score: " Frederic Weisbecker
2012-08-22 16:23 ` [PATCH 10/10] xtensa: " Frederic Weisbecker
2012-08-22 17:18 ` [PATCH 00/10] rcu: " Geert Uytterhoeven
2012-08-22 17:18   ` Geert Uytterhoeven
2012-08-23 11:02   ` Frederic Weisbecker
2012-08-23 11:02   ` Frederic Weisbecker
2012-08-23 11:02     ` Frederic Weisbecker
2012-08-23 20:23     ` Geert Uytterhoeven
2012-08-23 20:23     ` Geert Uytterhoeven
2012-08-23 20:23       ` Geert Uytterhoeven
2012-08-23 21:50       ` Frederic Weisbecker [this message]
2012-08-23 21:50         ` Frederic Weisbecker
2012-09-17 20:31         ` Geert Uytterhoeven
2012-09-17 20:31           ` Geert Uytterhoeven
2012-09-17 20:55           ` Paul E. McKenney
2012-09-17 20:55             ` Paul E. McKenney
2012-09-17 20:31         ` Geert Uytterhoeven
2012-08-23 21:50       ` Frederic Weisbecker
2012-08-22 17:18 ` Geert Uytterhoeven
  -- strict thread matches above, loose matches on Subject: below --
2012-08-22 16:23 Frederic Weisbecker

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