linux-kernel - Re: Linux 2.6.21-rc4

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Message-Id: <200703162134.14265.rjw@sisk.pl>
Date:	Fri, 16 Mar 2007 21:34:13 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Frédéric RISS <frederic.riss@...il.com>,
	Thomas Meyer <thomas@...3r.de>, Milan Broz <mbroz@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Linux 2.6.21-rc4

On Friday, 16 March 2007 17:33, Linus Torvalds wrote:
> 
> I pushed out the -git trees yesterday, but then got distracted, so the 
> patches and tar-balls and the announcement got delayed until this morning. 
> Oops. I'm a scatter-brain.
> 
> Anyway, the good news about -rc4 is that there's just lots of random 
> fixes. I'm hoping that we've seriously cut down on the regression list, 
> and I'd ask everybody who is on Adrian's list to please re-verify their 
> regression, and in case it's one of the "patches available" ones but I 
> haven't merged (maybe because it hasn't been sent to me!), make sure I do.

I'm afraid that if CONFIG_TICK_ONESHOT or CONFIG_NO_HZ is set, we still have a
problem with RCU synchronization while nonboot CPUs are being enabled during a
resume (http://lkml.org/lkml/2007/3/11/144, http://lkml.org/lkml/2007/3/4/88).

Can someone who had this problem with -rc3 check if it's present in -rc4?

Thanks,
Rafael
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