linux-kernel - Re: [2.6.30-rc1] RCU detected CPU 1 stall

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Message-ID: <20090416203748.GA24509@suse.de>
Date:	Thu, 16 Apr 2009 13:37:48 -0700
From:	Greg KH <gregkh@...e.de>
To:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:	hugh@...itas.com, arjan@...ux.intel.com, alan@...rguk.ukuu.org.uk,
	viro@...IV.linux.org.uk, jmorris@...ei.org,
	akpm@...ux-foundation.org, paulmck@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6.30-rc1] RCU detected CPU 1 stall

On Thu, Apr 16, 2009 at 02:35:11PM +0900, Tetsuo Handa wrote:
> Hello.
> 
> Hugh Dickins wrote:
> > I'd hoped to get confirmation that the mmap.c part of the patch
> > was all the extra needed; but never mind, that's clearly good.
> Yes. The mmap.c part solved khelper's current->mm == NULL warning.
> 
> > Thanks a lot: I'll send in a revert request,
> > and the acct_stack_growth patch, later today.
> Yes, please.

That's fine with me as well.  If distros care about this, they can
change the config option to be "" for HOTPLUG.

thanks,

greg k-h
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