Re: Where do we stand with the Xen patches?

From: Ingo Molnar
Date: Mon May 18 2009 - 04:41:33 EST



* FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote:

> On Thu, 14 May 2009 12:54:54 -0700
> Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>
> > Hi Ingo,
> >
> > Over the last week or so, I've set out pull requests for the following
> > branches in git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git :
> >
> > for-ingo/xen/dom0/core
> >
> > You made two comments about the first post of this set:
> >
> > 1. The // comments in the mtrr code. Now fixed.
> > 2. A query about when Xen can support PAT. In progress; when its
> > done, we can remove the unconditional PAT disable.
> >
> > for-ingo/xen/dom0/pci
> > for-ingo/xen/dom0/swiotlb
> >
> > Updated with Joerg Roedel, FUJITA Tomonori and Matthew Wilcox's
> > comments, Acked-by and Reviewed-bys as appropriate.
>
> The original code added dom0-specific dma mapping stuff in the
> generic place, which is completely wrong. I asked you to move the
> hacky stuff to Xen-specific code and ack'ed the patchset.
>
> But as I said again and again, the dom0 changes to the generic dma
> mapipng code is really ugly and I don't like them at all. I didn't
> ack'ed such changes.

How should it be solved instead? Can you see a clean way to achieve
it? (maybe you already explained it in past threads - if yes then
have you got subject lines or URIs to that?)

Thanks,

Ingo
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