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From: David Woodhouse <dwmw2@infradead.org>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
	Vinod Koul <vinod.koul@intel.com>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	iommu@lists.linux-foundation.org,
	Dan Williams <dan.j.williams@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] pci, dmar: Update dmar units devices list during hotplug
Date: Tue, 24 May 2011 11:58:15 +0100	[thread overview]
Message-ID: <1306234696.7218.14.camel@i7.infradead.org> (raw)
In-Reply-To: <1305843308.3100.10.camel@x201>

On Thu, 2011-05-19 at 16:15 -0600, Alex Williamson wrote:
> I think I'd vote for saving some kind of representation of the bus
> hierarchy, we probably don't need to list every possible individual
> device.  Leaving a broken pointer around to be matched up and restored
> later just seems like a continuation of an idea that was bad to begin
> with.  Thanks, 

I agree. We should just process the original ATSR information in
dmar_find_matched_drhd_unit(), rather than comparing with a list of
possibly stale pointers.

I don't quite understand why the list of PCI devices was *ever* done
like that.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@intel.com                              Intel Corporation


  reply	other threads:[~2011-05-24 10:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-08 18:48 Yinghai Lu
2011-05-19 22:15 ` Alex Williamson
2011-05-24 10:58   ` David Woodhouse [this message]
2011-05-24 17:42     ` Alex Williamson
2011-05-24 18:11       ` Yinghai Lu
2011-05-24 19:34       ` Yinghai Lu
2011-05-24 20:07         ` Alex Williamson
2011-05-24 20:24           ` Yinghai Lu
2011-05-24 20:34             ` Alex Williamson
2011-05-24 21:45           ` Yinghai Lu
2011-05-24 22:38             ` Alex Williamson
2011-05-24 23:02               ` Yinghai Lu
2011-05-25  5:42                 ` Yinghai Lu
2011-05-25  5:45                 ` Yinghai Lu
2011-05-25 12:43                   ` Alex Williamson
2011-05-28 22:11                     ` David Woodhouse

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