Re: [PATCH v3 03/18] x86/mm: prepare destroy_perdomain_mapping() for per-vCPU perdomain areas

[George Dunlap <gwd@xxxxxxxxxxxxxx>]

On Wed, Oct 7, 2026 at 4:58 PM Roger Pau Monné <roger@xxxxxxxxxxxxxx> wrote:
>
> On Wed, Oct 07, 2026 at 11:40:36AM +0100, George Dunlap wrote:
> > From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> >
> > We want to change per-domain mappings to be per-vCPU mappings.  In
> > preparation for that, we want to arrange that
> > destroy_perdomain_mapping() work either with a single perdomain area,
> > or with a per-vCPU perdomain area.
> >
> > The one remaining caller, free_compat_arg_xlat(), is already in a vCPU
> > context, so we just need to change the parameter from a domain pointer
> > to a vCPU pointer.
>
> Without the linear mapping usage this is now a non-functional change,
> I would possibly state that on the commit message.

Ack.

> > Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> > Assisted-by: Claude Code:claude-fable-5, Claude Code:claude-opus-4-8, 
> > Claude Code:claude-opus-5-5
> > Signed-off-by: George Dunlap <gwd@xxxxxxxxxxxxxx>
>
> Reviewed-by: Roger Pau Monné <roger@xxxxxxxxxxxxxx>

Thanks,
 -George