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

["Michael S. Tsirkin" <mst@redhat.com>]

On Mon, Jan 18, 2010 at 07:53:25PM +0200, Michael S. Tsirkin wrote:
> 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.

To put it in other words: could you please be more explicit please?  I
failed to see the relevance ...


-- 
MST