From: Greg KH <gregkh@suse.de>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>,
linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
Nitin Gupta <ngupta@vflare.org>
Subject: Re: [PATCH] zcache: fix deadlock condition
Date: Fri, 27 Jan 2012 14:18:46 -0800 [thread overview]
Message-ID: <20120127221846.GA32654@suse.de> (raw)
In-Reply-To: <20120127203928.GA17285@phenom.dumpdata.com>
On Fri, Jan 27, 2012 at 03:39:28PM -0500, Konrad Rzeszutek Wilk wrote:
> On Wed, Jan 25, 2012 at 02:32:51PM -0800, Dan Magenheimer wrote:
> > I discovered this deadlock condition awhile ago working on RAMster
> > but it affects zcache as well. The list spinlock must be
> > locked prior to the page spinlock and released after. As
> > a result, the page copy must also be done while the locks are held.
> >
> > Applies to 3.2. Konrad, please push (via GregKH?)...
> > this is definitely a bug fix so need not be pushed during
> > a -rc0 window.
>
> Looks good to me. Greg, could you apply the patch to your tree
> please? [Or would you rather I sent an GIT pull?]
I will queue it up, thanks.
greg k-h
prev parent reply other threads:[~2012-01-27 22:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-25 22:32 Dan Magenheimer
2012-01-27 20:39 ` Konrad Rzeszutek Wilk
2012-01-27 22:18 ` Greg KH [this message]
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