linux-kernel - Re: [PATCH] x86/pci/mrst: add extra check in fixed bar detection

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Message-ID: <20100720190826.GA16162@kroah.com>
Date:	Tue, 20 Jul 2010 12:08:26 -0700
From:	Greg KH <greg@...ah.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ben Greear <greearb@...delatech.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/pci/mrst: add extra check in fixed bar detection

On Tue, Jul 20, 2010 at 10:26:08AM -0700, H. Peter Anvin wrote:
> On 07/20/2010 10:18 AM, Ben Greear wrote:
> > On 07/16/2010 11:58 AM, Jacob Pan wrote:
> >> Fixed bar capability structure is searched in PCI extended configuration
> >> space. We need to make sure there is a valid capability id to begin with
> >> otherwise, the search code may stuck in a infinite loop which results in
> >> boot hang.
> >> This patch adds additional check for cap ID 0, which is also invalid.
> > 
> > I think this should be added to the stable tree for 2.6.34
> > as well...
> > 
> 
> Agreed. Greg, could you consider upstream
> f82c3d71d6fd2e6a3e3416f09099e29087e39abf for -stable 2.6.34?

Will do.

thanks,

greg k-h
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