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Date: Wed, 1 Apr 2026 21:35:44 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>, Andrei Vagin
 <avagin@google.com>, Axel Rasmussen <axelrasmussen@google.com>, Baolin Wang
 <baolin.wang@linux.alibaba.com>, David Hildenbrand <david@kernel.org>,
 Harry Yoo <harry.yoo@oracle.com>, Hugh Dickins <hughd@google.com>, James
 Houghton <jthoughton@google.com>, "Liam R. Howlett"
 <Liam.Howlett@oracle.com>, "Lorenzo Stoakes (Oracle)" <ljs@kernel.org>,
 "Matthew Wilcox (Oracle)" <willy@infradead.org>, Michal Hocko
 <mhocko@suse.com>, Muchun Song <muchun.song@linux.dev>, Nikita Kalyazin
 <kalyazin@amazon.com>, Oscar Salvador <osalvador@suse.de>, Paolo Bonzini
 <pbonzini@redhat.com>, Peter Xu <peterx@redhat.com>, Sean Christopherson
 <seanjc@google.com>, Shuah Khan <shuah@kernel.org>, Suren Baghdasaryan
 <surenb@google.com>, Vlastimil Babka <vbabka@suse.cz>, kvm@vger.kernel.org,
 linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-kselftest@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v4 00/15] mm, kvm: allow uffd support in guest_memfd
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On Thu,  2 Apr 2026 07:11:41 +0300 Mike Rapoport <rppt@kernel.org> wrote:

> These patches enable support for userfaultfd in guest_memfd.

Thanks, I updated mm.git to this version.

> v4 changes:
> * fix lock leak not only in patch 4, but also in patch 2, thanks Harry

And....  this resulted in no overall alteration to mm.git, which broke
my very surprised script!

iirc, this series was to fix a little bisection hole, so this is to be
expected?