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Date: Mon, 26 Jan 2026 17:44:37 +0100
Message-Id: <DFYO7QI5YDJC.3EO91BDN01YBF@kernel.org>
Subject: Re: [PATCH v3 3/6] rust: gpuvm: add GpuVm::obtain()
Cc: "Alice Ryhl" <aliceryhl@google.com>, "Daniel Almeida"
 <daniel.almeida@collabora.com>, "Janne Grunau" <j@jannau.net>, "Matthew
 Brost" <matthew.brost@intel.com>, =?utf-8?q?Thomas_Hellstr=C3=B6m?=
 <thomas.hellstrom@linux.intel.com>, "Lyude Paul" <lyude@redhat.com>, "Asahi
 Lina" <lina+kernel@asahilina.net>, <dri-devel@lists.freedesktop.org>,
 <linux-kernel@vger.kernel.org>, <rust-for-linux@vger.kernel.org>
To: "Boris Brezillon" <boris.brezillon@collabora.com>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20260121-gpuvm-rust-v3-0-dd95c04aec35@google.com>
 <20260121-gpuvm-rust-v3-3-dd95c04aec35@google.com>
 <20260126160036.2b2c66a7@fedora>
 <CAH5fLggFzHSB-iassPmwkP74h6qN6V6hYaCfjT0_JEvGoDecBQ@mail.gmail.com>
 <20260126163537.0ca199cf@fedora>
In-Reply-To: <20260126163537.0ca199cf@fedora>

On Mon Jan 26, 2026 at 4:35 PM CET, Boris Brezillon wrote:
> On Mon, 26 Jan 2026 16:07:30 +0100
> Alice Ryhl <aliceryhl@google.com> wrote:
>
>> On Mon, Jan 26, 2026 at 4:00=E2=80=AFPM Boris Brezillon
>> <boris.brezillon@collabora.com> wrote:
>> >
>> > On Wed, 21 Jan 2026 11:31:19 +0000
>> > Alice Ryhl <aliceryhl@google.com> wrote:
>> > =20
>> > > +/// A [`GpuVmBo`] object in the GEM list.
>> > > +///
>> > > +/// # Invariants
>> > > +///
>> > > +/// Points at a `drm_gpuvm_bo` that contains a valid `T::VmBoData` =
and is present in the gem list.
>> > > +pub struct GpuVmBoResident<T: DriverGpuVm>(NonNull<GpuVmBo<T>>); =
=20
>> >
>> > I find the name a bit confusing: BO residency is often used to refer t=
o
>> > memory backing the buffer object, and in this case, you can end up wit=
h
>> > a GpuVmBoResident being returned for a BO that has been evicted (one
>> > that's no longer resident). =20
>>=20
>> Good point. I meant it as "present in list" but I guess there are
>> other things a gpuvm may be present in.
>>=20
>> Any naming suggestions?
>
> Valid, Bound, Present, Active?

I still have to catch up on this series, but quick drive-by comment: I'd go=
 for
'Registered'.