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Date: Mon, 10 Aug 2026 11:57:00 -0700
From: Wei Liu <wei.liu@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Wei Liu <wei.liu@kernel.org>,
	Stanislav Kinsburskii <skinsburskii@gmail.com>,
	Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>,
	David Hildenbrand <david@kernel.org>,
	Lorenzo Stoakes <ljs@kernel.org>,
	"Liam R. Howlett" <liam@infradead.org>,
	Vlastimil Babka <vbabka@kernel.org>,
	Mike Rapoport <rppt@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>, Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Shuah Khan <shuah@kernel.org>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Dexuan Cui <decui@microsoft.com>, Long Li <longli@microsoft.com>,
	Lyude Paul <lyude@redhat.com>, Danilo Krummrich <dakr@kernel.org>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Min Ma <mamin506@gmail.com>, Lizhi Hou <lizhi.hou@amd.com>,
	Oded Gabbay <ogabbay@kernel.org>, linux-mm@kvack.org,
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	dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
	linux-rdma@vger.kernel.org
Subject: Re: [PATCH v11 0/8] mm/hmm: Add mmap lock-drop support for
 userfaultfd-backed mappings
Message-ID: <20260810185700.GD2496954@liuwe-devbox-debian-v2.local>
References: <20260723-hmm-v10-v11-0-c55b003a4b61@gmail.com>
 <20260723142242.5d3f87208d47819d873ae458@linux-foundation.org>
 <20260731211728.GA3243658@liuwe-devbox-debian-v2.local>
 <20260731143733.6f74ec9b9023f898c3c260e1@linux-foundation.org>
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In-Reply-To: <20260731143733.6f74ec9b9023f898c3c260e1@linux-foundation.org>

On Fri, Jul 31, 2026 at 02:37:33PM -0700, Andrew Morton wrote:
> On Fri, 31 Jul 2026 14:17:28 -0700 Wei Liu <wei.liu@kernel.org> wrote:
> 
> > On Thu, Jul 23, 2026 at 02:22:42PM -0700, Andrew Morton wrote:
> > > On Thu, 23 Jul 2026 10:36:32 -0700 Stanislav Kinsburskii <skinsburskii@gmail.com> wrote:
> > > 
> > > > This series extends the HMM framework to support userfaultfd-backed memory
> > > > by allowing the mmap read lock to be dropped during hmm_range_fault().
> > > > 
> > > 
> > > Thanks, I've updated mm.git to this version.
> > 
> > Hi Andrew,
> > 
> > I see this series in linux-next now.
> > 
> > I'm curious to know if these patches are going to make 7.3.
> 
> Probably.  The series is incompletely reviewed at this time.  Perhaps
> you can assist with this?

Fair point. I'm not an MM expert but I will try.

Wei

> 
> > We have some work that's dependent on this so would like to plan
> > accordingly.
> > 
> > Thank you Stanislav for continue pushing this.