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Re: [PATCH 10/17] hvmloader: Add support for HVMOP_set|get_ecam_space hypercalls
- To: Thierry Escande <thierry.escande@xxxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Tue, 28 Apr 2026 16:14:12 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Delivery-date: Tue, 28 Apr 2026 14:14:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Fri, Mar 13, 2026 at 04:35:03PM +0000, Thierry Escande wrote:
> This patch adds wrappers in hvmloader for the hypercalls used to set and
> get the ECAM space base address and size.
This would better be introduced with at least one user, as otherwise
it's just unreachable code. And then I'm not convinced we should use
hypercalls to set the ECAM position/size from hvmloader, if it can be
done using the native registers and QEMU can forward those to Xen.
Thanks, Roger.
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