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Re: [PATCH 2/2] xen/x86/pvh: copy ACPI tables to Dom0 instead of mapping
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 15 May 2023 16:17:56 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Xenia.Ragiadakou@xxxxxxx, Stefano Stabellini <stefano.stabellini@xxxxxxx>, roger.pau@xxxxxxxxxx, andrew.cooper3@xxxxxxxxxx
- Delivery-date: Mon, 15 May 2023 14:18:14 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 13.05.2023 03:17, Stefano Stabellini wrote:
> From: Stefano Stabellini <stefano.stabellini@xxxxxxx>
>
> Mapping the ACPI tables to Dom0 PVH 1:1 leads to memory corruptions of
> the tables in the guest. Instead, copy the tables to Dom0.
Do you really mean "in the guest" (i.e. from Xen's perspective, i.e.
ignoring that when running on qemu it is kind of a guest itself)?
I also consider the statement too broad anyway: Various people have
run PVH Dom0 without running into such an issue, so it's clearly not
just "leads to".
Jan
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