From: Alice Ryhl <aliceryhl@google.com>
To: Lyude Paul <lyude@redhat.com>
Cc: nouveau@lists.freedesktop.org, Gary Guo <gary@garyguo.net>,
Daniel Almeida <daniel.almeida@collabora.com>,
rust-for-linux@vger.kernel.org,
Danilo Krummrich <dakr@kernel.org>,
dri-devel@lists.freedesktop.org,
Matthew Maurer <mmaurer@google.com>,
FUJITA Tomonori <fujita.tomonori@gmail.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
christian.koenig@amd.com, Asahi Lina <lina@asahilina.net>,
Miguel Ojeda <ojeda@kernel.org>,
Andreas Hindborg <a.hindborg@kernel.org>,
Simona Vetter <simona@ffwll.ch>, Boqun Feng <boqun@kernel.org>,
Sumit Semwal <sumit.semwal@linaro.org>,
Krishna Ketan Rai <prafulrai522@gmail.com>,
linux-media@vger.kernel.org,
Shankari Anand <shankari.ak0208@gmail.com>,
Benno Lossin <lossin@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
linaro-mm-sig@lists.linaro.org,
Asahi Lina <lina+kernel@asahilina.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
kernel@vger.kernel.org
Subject: Re: [PATCH v13 3/5] rust: drm: gem/shmem: Add DmaResvGuard helper
Date: Wed, 29 Apr 2026 08:11:29 +0000 [thread overview]
Message-ID: <afG9MTFxCbKE8OOZ@google.com> (raw)
In-Reply-To: <20260428190605.3355690-4-lyude@redhat.com>
On Tue, Apr 28, 2026 at 03:03:43PM -0400, Lyude Paul wrote:
> Just a temporary holdover to make locking/unlocking the dma_resv lock much
> easier.
>
> Signed-off-by: Lyude Paul <lyude@redhat.com>
> Co-authored-by: Alexandre Courbot <acourbot@nvidia.com>
Needs Alexandre's SoB.
> +/// Private helper-type for holding the `dma_resv` object for a GEM shmem object.
> +///
> +/// When this is dropped, the `dma_resv` lock is dropped as well.
> +///
> +// TODO: This should be replace with a WwMutex equivalent once we have such bindings in the kernel.
> +struct DmaResvGuard<'a, T: DriverObject>(&'a Object<T>);
We will also need this in GPUVM, so I don't think it needs to be private
to shmem.
Alice
next prev parent reply other threads:[~2026-04-29 8:11 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 19:03 [PATCH v13 0/5] Rust bindings for gem shmem Lyude Paul
2026-04-28 19:03 ` Lyude Paul
2026-04-28 19:03 ` [PATCH v13 1/5] rust: drm: gem: s/device::Device/Device/ for shmem.rs Lyude Paul
2026-04-28 19:03 ` Lyude Paul
2026-04-29 8:05 ` Alice Ryhl
2026-04-28 19:03 ` [PATCH v13 2/5] drm/gem/shmem: Introduce __drm_gem_shmem_free_sgt_locked() Lyude Paul
2026-04-28 19:03 ` Lyude Paul
2026-04-28 19:03 ` [PATCH v13 3/5] rust: drm: gem/shmem: Add DmaResvGuard helper Lyude Paul
2026-04-28 19:03 ` Lyude Paul
2026-04-29 8:11 ` Alice Ryhl [this message]
2026-04-29 11:18 ` Alexandre Courbot
2026-04-29 11:18 ` Alexandre Courbot
2026-04-28 19:03 ` [PATCH v13 4/5] rust: drm: gem: Introduce shmem::SGTable Lyude Paul
2026-04-28 19:03 ` Lyude Paul
2026-04-29 8:19 ` Alice Ryhl
2026-04-29 8:19 ` Alice Ryhl
2026-04-29 21:40 ` Deborah Brouwer
2026-04-29 21:40 ` Deborah Brouwer
2026-05-01 22:13 ` Lyude Paul
2026-05-01 22:13 ` Lyude Paul
2026-04-28 19:03 ` [PATCH v13 5/5] rust: drm: gem: Add vmap functions to shmem bindings Lyude Paul
2026-04-28 19:03 ` Lyude Paul
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