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

[Roger Pau Monné <roger@xxxxxxxxxxxxxx>]

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.

> 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, Roger.