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Re: [Xen-devel] [PATCH for-4.12] arm/p2m: do not invalidate p2m root if it is shared with IOMMU

On 05.02.19 03:10, Stefano Stabellini wrote:
You really want to fix this in the Linux driver if you can, because
you'll get better performance and a more stable system.

I also have an idea that it might improve performance. And it is what we need.

In the short
term, I would suggest you keep the work-around in your private tree.

As I do now.

However, do let us know how the escalation with the vendor proceeds and
if you have any troubles with it. Julien and I would be happy to provide
help in terms of information and docs on the reasons why this should be
fixed in the driver. Julien might even be able to help further via his

Thank you.
I already referred this thread in the email to the vendor as the first step.
But have no answer yet :(

Andrii Anisov.

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