From: "Danilo Krummrich" <dakr@kernel.org>
To: "Arnd Bergmann" <arnd@arndb.de>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Heiko Carstens" <hca@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
driver-core@lists.linux.dev,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Sven Schnelle" <svens@linux.ibm.com>,
linux-s390@vger.kernel.org,
Linux-Arch <linux-arch@vger.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>,
"Trevor Gross" <tmgross@umich.edu>,
"Tamir Duberstein" <tamird@kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Onur Özkan" <work@onurozkan.dev>,
rust-for-linux@vger.kernel.org
Subject: Re: `io{re,un}map()` build error in s390 under `!CONFIG_HAS_IOMEM`
Date: Mon, 03 Aug 2026 22:09:08 +0200 [thread overview]
Message-ID: <DKFKXA6YWW8R.1NDZ44Q13XFQH@kernel.org> (raw)
In-Reply-To: <fb2daae7-4eba-4ca1-95a5-60f8157eb66b@app.fastmail.com>
On Mon Aug 3, 2026 at 9:56 PM CEST, Arnd Bergmann wrote:
> In theory you should be able to use rust code without PCI MMIO
> support, but I can't see any practical downsides to making rust
> 'depends on HAS_MMIO' to avoid having to add those #ifdef.
I think the implications should be minor without making Rust depend on
CONFIG_HAS_IOMEM.
I just sent out a fix [1]; the only annoying part is [2], but we should change
those doc-tests anyway. For the one in rust/kernel/io.rs we already did in
driver-core-next.
[1] https://lore.kernel.org/driver-core/20260803200249.3494259-1-dakr@kernel.org/
[2] https://lore.kernel.org/driver-core/20260803200249.3494259-2-dakr@kernel.org/
next prev parent reply other threads:[~2026-08-03 20:09 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 18:09 `io{re,un}map()` build error in s390 under `!CONFIG_HAS_IOMEM` Miguel Ojeda
2026-08-03 19:56 ` Arnd Bergmann
2026-08-03 20:09 ` Danilo Krummrich [this message]
2026-08-04 7:13 ` Heiko Carstens
2026-08-04 10:36 ` Arnd Bergmann
2026-08-04 11:10 ` Danilo Krummrich
2026-08-04 12:02 ` Arnd Bergmann
2026-08-04 12:26 ` Gary Guo
2026-08-05 15:08 ` Danilo Krummrich
2026-08-04 12:21 ` Niklas Schnelle
2026-08-04 15:52 ` Arnd Bergmann
[not found] ` <94c3ebc645e80feae1044a57b8b5c82d4d4ff408.camel@linux.ibm.com>
2026-08-05 15:56 ` Arnd Bergmann
2026-08-06 13:25 ` Niklas Schnelle
2026-08-06 13:44 ` Arnd Bergmann
2026-08-06 15:21 ` Geert Uytterhoeven
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=DKFKXA6YWW8R.1NDZ44Q13XFQH@kernel.org \
--to=dakr@kernel.org \
--cc=a.hindborg@kernel.org \
--cc=acourbot@nvidia.com \
--cc=agordeev@linux.ibm.com \
--cc=aliceryhl@google.com \
--cc=arnd@arndb.de \
--cc=bjorn3_gh@protonmail.com \
--cc=boqun@kernel.org \
--cc=borntraeger@linux.ibm.com \
--cc=daniel.almeida@collabora.com \
--cc=driver-core@lists.linux.dev \
--cc=gary@garyguo.net \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=lossin@kernel.org \
--cc=ojeda@kernel.org \
--cc=rust-for-linux@vger.kernel.org \
--cc=svens@linux.ibm.com \
--cc=tamird@kernel.org \
--cc=tmgross@umich.edu \
--cc=work@onurozkan.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox