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Date: Mon, 18 Jan 2010 19:53:25 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: [Qemu-devel] Re: [PATCHv2 0/3] rwhandler: introduce and switch
	pci_host to it
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To: Blue Swirl <blauwirbel@gmail.com>
Cc: Isaku Yamahata <yamahata@valinux.co.jp>, paul@codesourcery.com, qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>, agraf@suse.de

On Mon, Jan 18, 2010 at 05:50:35PM +0000, Blue Swirl wrote:
> On Mon, Jan 18, 2010 at 10:56 AM, Michael S. Tsirkin <mst@redhat.com> wrote:
> > Alexander, so I assume the following patchset should be enough for you
> > to implement u3 support, simply by creating your own rwhandler, and
> > using pci_data_read/write directly there. I have pushed it to a
> > temporary branch in my tree:
> > git://git.kernel.org/pub/scm/linux/kernel/git/mst/qemu.git rwhandler
> >
> > Paul, any comments on this approach?
> >
> > I'll push this to my pci tree if this turns out to be helpful.
> > Hope this helps, and sorry about the churn.
> 
> I proposed earlier something similar for MMIO. The thread could be interesting:
> http://lists.gnu.org/archive/html/qemu-devel/2009-05/msg00095.html

IIUC that patch seems to do much more, and also seems to involve all io?
This one is just a library that devices can use. Intended users are not
performance-critical like pci config.

-- 
MST