From: "Danilo Krummrich" <dakr@kernel.org>
To: "Alvin Sun" <alvin.sun@linux.dev>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Tamir Duberstein" <tamird@kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Onur Özkan" <work@onurozkan.dev>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@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>,
"Alexander Viro" <viro@zeniv.linux.org.uk>,
"Christian Brauner" <brauner@kernel.org>,
"Jan Kara" <jack@suse.cz>,
"Matthew Brost" <matthew.brost@intel.com>,
"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
"Maíra Canal" <mcanal@igalia.com>,
"Melissa Wen" <mwen@igalia.com>,
"Wambui Karuga" <wambui.karugax@gmail.com>,
"Eric Anholt" <eric@anholt.net>, "Ben Gamari" <bgamari@gmail.com>,
rust-for-linux@vger.kernel.org, driver-core@lists.linux.dev,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2 6/9] rust: drm: add DrmSeqShow seq_file adapter
Date: Mon, 03 Aug 2026 19:56:21 +0200 [thread overview]
Message-ID: <DKFI3M4IEPIS.1Q2UYQGFIC6EO@kernel.org> (raw)
In-Reply-To: <20260731-tyr-debugfs-v2-v2-6-aea19eccb996@linux.dev>
On Thu Jul 30, 2026 at 7:05 PM CEST, Alvin Sun wrote:
> Add DrmSeqShow trait and its SeqShow blanket impl for Device<T, Normal>,
> enabling Rust DRM drivers to expose device state via debugfs seq_file
> entries. Device registration data is kept alive for the duration of
> each seq_file read.
>
> Signed-off-by: Alvin Sun <alvin.sun@linux.dev>
This patch shouldn't be needed with the ScopeRef approach. The full proxy
already guarantees show() can't run after debugfs_remove_recursive(). So, the
driver can just implement plain debugfs::SeqShow<RegistrationData<'_>>.
next prev parent reply other threads:[~2026-08-03 17:56 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-30 17:05 [PATCH v2 0/9] drm/tyr: add debugfs support Alvin Sun
2026-07-30 17:05 ` [PATCH v2 1/9] rust: seq_file: add as_raw() method Alvin Sun
2026-07-30 17:05 ` [PATCH v2 2/9] rust: debugfs: add SeqShow trait and seq_file file operations Alvin Sun
2026-07-31 13:08 ` Alice Ryhl
2026-07-31 16:52 ` Alvin Sun
2026-08-03 15:05 ` Alice Ryhl
2026-08-03 15:23 ` Danilo Krummrich
2026-07-30 17:05 ` [PATCH v2 3/9] rust: debugfs: add Entry::from_raw and ScopedDir::from_dentry Alvin Sun
2026-08-03 17:55 ` Danilo Krummrich
2026-07-30 17:05 ` [PATCH v2 4/9] drm: move debugfs_init after dev->registered is set Alvin Sun
2026-07-30 17:05 ` [PATCH v2 5/9] rust: drm: add debugfs_init callback to Driver trait Alvin Sun
2026-08-03 17:55 ` Danilo Krummrich
2026-07-30 17:05 ` [PATCH v2 6/9] rust: drm: add DrmSeqShow seq_file adapter Alvin Sun
2026-08-03 17:56 ` Danilo Krummrich [this message]
2026-07-30 17:05 ` [PATCH v2 7/9] rust: drm: gpuvm: add dump_gpuva_info to UniqueRefGpuVm Alvin Sun
2026-07-31 13:01 ` Alice Ryhl
2026-07-30 17:05 ` [PATCH v2 8/9] drm/tyr: add gpuvas debugfs file Alvin Sun
2026-07-31 12:59 ` Alice Ryhl
2026-07-31 16:29 ` Daniel Almeida
2026-08-03 17:56 ` Danilo Krummrich
2026-07-30 17:05 ` [PATCH v2 9/9] drm/debugfs: hold device reference for the lifetime of open files Alvin Sun
2026-08-03 17:56 ` Danilo Krummrich
2026-08-06 16:59 ` Alvin Sun
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