From: "Danilo Krummrich" <dakr@kernel.org>
To: "Beata Michalska" <beata.michalska@arm.com>
Cc: "Joel Fernandes" <joelagnelf@nvidia.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"rust-for-linux@vger.kernel.org" <rust-for-linux@vger.kernel.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"bjorn3_gh@protonmail.com" <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>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"John Hubbard" <jhubbard@nvidia.com>,
"Timur Tabi" <ttabi@nvidia.com>,
"joel@joelfernandes.org" <joel@joelfernandes.org>,
"Elle Rhumsaa" <elle@weathered-steel.dev>,
"Yury Norov" <yury.norov@gmail.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Andrea Righi" <arighi@nvidia.com>,
"nouveau@lists.freedesktop.org" <nouveau@lists.freedesktop.org>
Subject: Re: [PATCH v6 4/5] rust: Move register and bitfield macros out of Nova
Date: Thu, 23 Oct 2025 16:07:21 +0200 [thread overview]
Message-ID: <DDPRDKFEK3H3.2CE3YMXRTLGTI@kernel.org> (raw)
In-Reply-To: <aPozw8TGp85YdmNU@arm.com>
On Thu Oct 23, 2025 at 3:55 PM CEST, Beata Michalska wrote:
> I guess everything that would use IoRequest::iomap(self), which generates
> Io<SIZE=0> which is a game over for the macro.
To be honest, we may just want to remove this API. A driver that requires a zero
sized MMIO region with only optional runtime derived access offsets seems a bit
too exotic.
That doesn't mean that occasionally we'll have drivers needing runtime offsets,
so eventually we want to support that with the register!() macro, but it's not
*that* urgent.
next prev parent reply other threads:[~2025-10-23 14:07 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-03 15:47 [PATCH v6 0/5] Introduce bitfield and move register macro to rust/kernel/ Joel Fernandes
2025-10-03 15:47 ` [PATCH v6 1/5] nova-core: bitfield: Move bitfield-specific code from register! into new macro Joel Fernandes
2025-10-06 17:56 ` Edwin Peer
2025-10-07 6:49 ` Alexandre Courbot
2025-10-03 15:47 ` [PATCH v6 2/5] nova-core: bitfield: Add support for different storage widths Joel Fernandes
2025-10-03 15:47 ` [PATCH v6 3/5] nova-core: bitfield: Add support for custom visiblity Joel Fernandes
2025-10-03 15:47 ` [PATCH v6 4/5] rust: Move register and bitfield macros out of Nova Joel Fernandes
2025-10-06 10:38 ` Alexandre Courbot
2025-10-09 6:59 ` Dirk Behme
2025-10-09 11:16 ` Danilo Krummrich
2025-10-09 11:28 ` Alexandre Courbot
2025-10-09 12:54 ` Danilo Krummrich
2025-11-01 18:51 ` Dirk Behme
2025-11-02 3:00 ` Alexandre Courbot
2025-11-13 6:26 ` Dirk Behme
2025-10-10 7:28 ` Dirk Behme
2025-10-22 18:40 ` Beata Michalska
2025-10-22 19:37 ` Joel Fernandes
2025-10-23 13:55 ` Beata Michalska
2025-10-23 14:07 ` Danilo Krummrich [this message]
2025-10-23 21:47 ` Joel Fernandes
2025-10-23 21:50 ` Joel Fernandes
2025-10-27 9:06 ` Beata Michalska
2025-10-27 9:56 ` Danilo Krummrich
2025-10-27 15:05 ` Beata Michalska
2025-10-03 15:47 ` [PATCH v6 5/5] rust: bitfield: Add KUNIT tests for bitfield Joel Fernandes
2025-10-06 10:37 ` Alexandre Courbot
2025-10-06 19:38 ` Joel Fernandes
2025-10-06 20:36 ` [PATCH v7] " Joel Fernandes
2025-10-06 18:05 ` [PATCH v6 0/5] Introduce bitfield and move register macro to rust/kernel/ Edwin Peer
2025-10-06 22:29 ` Yury Norov
2025-10-07 10:36 ` Alexandre Courbot
2025-10-07 10:42 ` Miguel Ojeda
2025-10-07 13:20 ` Alexandre Courbot
2025-10-07 16:06 ` Yury Norov
2025-10-07 16:12 ` Miguel Ojeda
2025-10-07 13:16 ` Danilo Krummrich
2025-10-07 21:08 ` Joel Fernandes
2025-10-07 22:08 ` Danilo Krummrich
2025-10-08 14:28 ` Yury Norov
2025-10-08 15:00 ` Danilo Krummrich
2025-10-07 15:41 ` Yury Norov
2025-10-07 21:41 ` Daniel Almeida
2025-10-08 15:49 ` Yury Norov
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