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xen-devel
Re: [Xen-devel] [PATCH 2/3] remove saving/restoring method in Xend.
On Thu, 23 Apr 2009 10:01:02 +0100
Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> On 23/04/2009 09:27, "Yuji Shimada" <shimada-yxb@xxxxxxxxxxxxxxx> wrote:
>
> > OK, I understand that my patches are also big. But I'm worried about
> > one problem for Xen 3.4. The problem is that devices are deassigned
> > before the reset on current Xen. Dom0 memory may be broken by DMA if
> > the problem is not fixed.
> > My patches fix the problem. I mean that devices are deassigned after
> > the reset with my patches.
> >
> > I can work on making the patch just changing order of resetting/
> > deassigning devices if you need the fix for Xen 3.4.
>
> If we stick with the existing pciback mechanisms and interfaces for 3.4
> (which is preferable at this point) will we simply break 3.4 branch as soon
> as the new pciback patches go into linux-2.6.18-xen when 3.5 opens? Or is
> there a story on backward compatibility between different pciback/xend
> versions?
Hi, Keir
I don't have any idea for backward compatibility between different
pciback/xend versions.
I give up being applied to linux-2.6.18-xen.
I will sent the patch to change the order of resetting/deassigning
device for Xen 3.4.
Thanks,
--
Yuji Shimada
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