From: Andrew Ballance <andrewjballance@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Danilo Krummrich" <dakr@kernel.org>,
"Dave Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
bhelgaas@google.com,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Raag Jadav" <raag.jadav@intel.com>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
me@kloenk.dev, "FUJITA Tomonori" <fujita.tomonori@gmail.com>,
daniel.almeida@collabora.com,
"nouveau@lists.freedesktop.org" <nouveau@lists.freedesktop.org>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
rust-for-linux@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH 00/11] rust: add support for Port io
Date: Tue, 13 May 2025 10:15:24 -0500 [thread overview]
Message-ID: <aCNiDPgMGZ-tD66n@my-computer> (raw)
In-Reply-To: <ff526b49-a033-450d-9e48-699187167712@app.fastmail.com>
On Fri, May 09, 2025 at 07:53:31AM +0200, Arnd Bergmann wrote:
> Can you describe here why you want to support both "Io" and "PortIo"
> cases separately? I don't think we need to micro-optimize for
> legacy ISA devices any more, so I'd hope the "Io" path would be
> sufficient to cover the common outliers (ata, uart, vga, ipmi, ne2000)
> that need the iomap indirection and also the legacy devices that only
> need port I/O (floppy, x86 platform devices, ...).
Yeah, we probably don`t need the `PortIo` type and can rely on `Io` for
port io. I`ll remove it for the v2.
Best regards
Andrew Ballance
next prev parent reply other threads:[~2025-05-13 15:16 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-09 3:15 [PATCH 00/11] rust: add support for Port io Andrew Ballance
2025-05-09 3:15 ` [PATCH 01/11] rust: helpers: io: use macro to generate io accessor functions Andrew Ballance
2025-05-09 5:32 ` Arnd Bergmann
2025-05-13 1:59 ` kernel test robot
2025-05-09 3:15 ` [PATCH 02/11] rust: io: Replace Io with MMIo using IoAccess trait Andrew Ballance
2025-05-12 20:07 ` Bjorn Helgaas
2025-05-09 3:15 ` [PATCH 03/11] rust: io: implement Debug for IoRaw and add some doctests Andrew Ballance
2025-05-09 3:15 ` [PATCH 04/11] rust: io: add PortIo Andrew Ballance
2025-05-09 6:05 ` Arnd Bergmann
2025-05-13 6:09 ` kernel test robot
2025-05-09 3:15 ` [PATCH 05/11] rust: io: add new Io type Andrew Ballance
2025-05-09 3:15 ` [PATCH 06/11] io: move PIO_OFFSET to linux/io.h Andrew Ballance
2025-05-09 5:42 ` Arnd Bergmann
2025-05-09 11:35 ` Andy Shevchenko
2025-05-09 3:15 ` [PATCH 07/11] rust: io: add from_raw_cookie functions Andrew Ballance
2025-05-09 5:45 ` Arnd Bergmann
2025-05-09 3:15 ` [PATCH 08/11] rust: pci: make Bar generic over Io Andrew Ballance
2025-05-09 3:15 ` [PATCH 09/11] samples: rust: rust_driver_pci: update to use new bar and io api Andrew Ballance
2025-05-09 3:15 ` [PATCH 10/11] gpu: nova-core: update to use the " Andrew Ballance
2025-05-09 3:15 ` [PATCH 11/11] rust: devres: fix doctest Andrew Ballance
2025-05-09 5:53 ` [PATCH 00/11] rust: add support for Port io Arnd Bergmann
2025-05-13 15:15 ` Andrew Ballance [this message]
2025-05-13 8:32 ` Danilo Krummrich
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