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[Qemu-devel] Re: [PATCHv2 0/3] rwhandler: introduce and switch pci_host

From: Michael S. Tsirkin
Subject: [Qemu-devel] Re: [PATCHv2 0/3] rwhandler: introduce and switch pci_host to it
Date: Mon, 18 Jan 2010 19:53:25 +0200
User-agent: Mutt/1.5.19 (2009-01-05)

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 <address@hidden> 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.


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