linux-kernel - Re: [PATCH] pci/probe: Enable CRS for Intel Haswell root ports

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Message-ID: <CA+55aFxyjLKCr6xpYWtXW34_Z3v1_V2WB1vD583mAcPtGijn9A@mail.gmail.com>
Date:	Sat, 6 Sep 2014 16:28:27 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Rajat Jain <rajatxjain@...il.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rajat Jain <rajatjain@...iper.net>,
	Guenter Roeck <groeck@...iper.net>,
	Richard Yang <weiyang@...ux.vnet.ibm.com>,
	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Josh Logan <joshtlogan@...il.com>
Subject: Re: [PATCH] pci/probe: Enable CRS for Intel Haswell root ports

On Sat, Sep 6, 2014 at 2:21 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
>
> But as you point out, we don't see the "not responding" message.  We
> only print that if we read 0xffff0001 (device/vendor ID).  But lspci
> claims the vendor:device ID is 0001:8168.  So my new theory is:

[snip]

Sounds like a very reasonable theory and quite possible. And if Josh
actually still has the hardware, it would be lovely to hear the
results. Josh?

                 Linus
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