linux-kernel - Re: [PATCH] cfq-iosched: Fixed boot warning with BLK_CGROUP=y and CFQ_GROUP

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Message-ID: <20100621070517.GA31535@elte.hu>
Date:	Mon, 21 Jun 2010 09:05:17 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Jens Axboe <axboe@...nel.dk>, Divyesh Shah <dpshah@...gle.com>
Subject: Re: [PATCH] cfq-iosched: Fixed boot warning with BLK_CGROUP=y and
 CFQ_GROUP_IOSCHED=n


* Vivek Goyal <vgoyal@...hat.com> wrote:

> On Sun, Jun 20, 2010 at 10:10:16AM +0200, Ingo Molnar wrote:
> > 
> > * Vivek Goyal <vgoyal@...hat.com> wrote:
> > 
> > > Hi Jens,
> > > 
> > > Few days back Ingo noticed a CFQ boot time warning. This patch fixes it.
> > 
> > Hm, have you tested it? This bit:
> 
> I did compile and boot testing. Booted with CFQ_GROUP_IOSCHED=n to make
> sure warning seen by you is gone. [...]

It was not a build warning, it was a build failure. (Even if it built the 
recursion would cause a crash on bootup.) Will try your newer patch too.

Thanks,

	Ingo
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