linux-kernel - Re: [PATCH 1/3] x86/pci: fix boundary checking when using root CRS

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Message-ID: <20090630180449.GA7183@us.ibm.com>
Date:	Tue, 30 Jun 2009 11:04:49 -0700
From:	Gary Hade <garyhade@...ibm.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Yinghai Lu <yinghai@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	Gary Hade <garyhade@...ibm.com>,
	Matthew Wilcox <matthew@....cx>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-pci@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] x86/pci: fix boundary checking when using root CRS

On Mon, Jun 29, 2009 at 06:16:03PM -0700, Jesse Barnes wrote:
> On Wed, 24 Jun 2009 19:01:19 -0700
> Yinghai Lu <yinghai@...nel.org> wrote:
> 
> > 
> > don't touch info->res_num if we are out of space
> > 
> > Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> 
> Gary, any comments on these?

Jesse,
"[PATCH 1/3] x86/pci: fix boundary checking when using root CRS"
which convinced that my code was incorrect and
"[PATCH 2/3] x86/pci: get root CRS before scan childs -v3"
look good to me from both code review and functional [1] standpoints.
  Acked-by: <garyhade@...ibm.com>
  Tested-by: <garyhade@...ibm.com>

[1] Successful boot of patched 2.6.31-rc1 with pci=use_crs
    followed by successful hot-add and hot-remove of PCI-X
    and PCIe cards on an IBM x3850.

Thanks Yinghai.

Gary

-- 
Gary Hade
System x Enablement
IBM Linux Technology Center
503-578-4503  IBM T/L: 775-4503
garyhade@...ibm.com
http://www.ibm.com/linux/ltc

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