Re: [PATCH v12 00/16] Direct Map Removal Support for guest_memfd

[Lorenzo Stoakes]

On Wed, May 06, 2026 at 08:07:52AM +0000, Takahiro Itazuri wrote:
> Hi Lorenzo and Sean,
>
> Apologies for the delayed reply — Nikita is leaving Amazon, and I'm
> taking over this series going forward. Thanks for your patience.

Hey,

Thanks for letting us know! And thanks to Nikita for all his work, will
keep an eye out for the respin!

Cheers, Lorenzo

>
> On Tue, Apr 21, 2026 at 01:40:00PM +0000, Lorenzo Stoakes wrote:
> > Hm, given this touches a fair bit of mm, I wonder if we shouldn't try to do this
> > through the mm tree?
>
> On Tue, Apr 21, 2026 at 04:36:00PM +0000, Sean Christopherson wrote:
> > Yeah, when the time comes, the mm pieces definitely need to go through the mm
> > tree.  Ideally, I think this would be merged in two separate parts, with all mm
> > changes going through the mm tree, and then the KVM changes through the KVM tree
> > using a stable topic branch/tag from Andrew.
>
> Thanks for the guidance. The split makes sense to me; I'm planning to
> follow this approach with patches 1-6 (mm) going through the mm tree
> and patches 7-16 (KVM) through the KVM tree on top of a stable
> branch/tag from mm. I'll confirm the exact boundary and coordination
> details as I prepare the repost.
>
> On Tue, Apr 21, 2026 at 01:40:00PM +0000, Lorenzo Stoakes wrote:
> > In any case, we definitely need a rebase on something not-next :) if not mm then
> > Linus's tree at least maybe?
> >
> > I'm seeing a lot of conflicts against mm-unstable, it can't b4 shazam even patch
> > 1 and in Linus's tree it's failing at an mm patch (mm: introduce
> > AS_NO_DIRECT_MAP).
>
> I'll rebase onto v7.1-rc1 and resolve the conflicts as part of the split.
>
> Takahiro
>