Re: [PATCH for-4.19 v3 2/3] xen: enable altp2m at create domain domctl

[Jürgen Groß <jgross@xxxxxxxx>]

On 17.05.24 15:33, Roger Pau Monne wrote:
> Enabling it using an HVM param is fragile, and complicates the logic when
> deciding whether options that interact with altp2m can also be enabled.
>
> Leave the HVM param value for consumption by the guest, but prevent it from
> being set.  Enabling is now done using and additional altp2m specific field in
> xen_domctl_createdomain.
>
> Note that albeit only currently implemented in x86, altp2m could be implemented
> in other architectures, hence why the field is added to xen_domctl_createdomain
> instead of xen_arch_domainconfig.
>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx> # tools/libs/


Juergen