Ping: [PATCH] x86: drop a bogus SHARED_M2P() check from Dom0 building code

[Jan Beulich]

On 28.06.2021 13:52, Jan Beulich wrote:
> If anything, a check covering a wider range of invalid M2P entries ought
> to be used (e.g. VALID_M2P()). But since everything is fully under Xen's
> control at this stage, simply remove the BUG_ON().
> 
> Signed-off-by: Jan Beulich <jbeul...@suse.com>

I didn't expect this to be controversial, so may I please ask for an ack
(or otherwise)?

Thanks, Jan

> --- a/xen/arch/x86/pv/dom0_build.c
> +++ b/xen/arch/x86/pv/dom0_build.c
> @@ -815,7 +815,6 @@ int __init dom0_construct_pv(struct doma
>      page_list_for_each ( page, &d->page_list )
>      {
>          mfn = mfn_x(page_to_mfn(page));
> -        BUG_ON(SHARED_M2P(get_gpfn_from_mfn(mfn)));
>          if ( get_gpfn_from_mfn(mfn) >= count )
>          {
>              BUG_ON(compat);
>