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Re: [Xen-devel] [PATCH] xen/arm64: Use __flush_dcache_area instead of __flush_dcache_all
On Tue, 2014-10-14 at 18:07 +0100, Mark Rutland wrote:
> > Glad I'm not the only one confused :) Getting back to the practical
> > side of this,
> > I'm thinking I (or Suravee) should update the patch to add the
> > flushing of the FDT,
> > as this is required for booting with the change to flush_dcache_area(),
> > even if
> > the exact mechanism isn't understood. This gets us a more correct and
> > working
> > implementation, but not a final/robust implementation.
>
> On a practical front, yes.
>
> It would be nice to know if the attributes are actually the problem.
> Is it possible to build a UP Xen which maps memory as UEFI does (i.e.
> non-shareable)? Or is that problematic?
I think it would get to at least the point where you would observe these
issues, I'm not sure if/doubt that you would make it to actually booting
dom0.
Ian.
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