linux-kernel - Re: [PATCH v4 0/6] PCI: support the ATS capability

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Message-ID: <20090329135131.GS8014@parisc-linux.org>
Date:	Sun, 29 Mar 2009 07:51:31 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Yu Zhao <yu.zhao@...el.com>, dwmw2@...radead.org,
	linux-pci@...r.kernel.org, iommu@...ts.linux-foundation.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/6] PCI: support the ATS capability

On Thu, Mar 26, 2009 at 04:15:56PM -0700, Jesse Barnes wrote:
> >   2, avoid using pci_find_ext_capability every time when reading ATS
> >      Invalidate Queue Depth (Matthew Wilcox)

I asked a question about how that was used, and got back a version which
changed how it was done.  I still don't have an answer to my question.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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