From: "Danilo Krummrich" <dakr@kernel.org>
To: "Marko Turk" <mt@markoturk.info>
Cc: <bhelgaas@google.com>, <kwilczynski@kernel.org>,
<miguel.ojeda.sandonis@gmail.com>, <dirk.behme@de.bosch.com>,
<linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH 1/2] rust: pci: document Bar's endianness conversion
Date: Wed, 17 Dec 2025 17:23:36 +0100 [thread overview]
Message-ID: <DF0MPUGED5JR.1JBLR4H5IF1TG@kernel.org> (raw)
In-Reply-To: <20251210112503.62925-1-mt@markoturk.info>
On Wed Dec 10, 2025 at 12:25 PM CET, Marko Turk wrote:
> Document that the Bar's MMIO backend always assumes little-endian
> devices and that its operations automatically convert to CPU endianness.
>
> Signed-off-by: Marko Turk <mt@markoturk.info>
> Link: https://lore.kernel.org/lkml/DE7F6RR1NAKW.3DJYO44O73941@kernel.org/
> ---
> rust/kernel/pci/io.rs | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/rust/kernel/pci/io.rs b/rust/kernel/pci/io.rs
> index 0d55c3139b6f..bfa9df9e9bb9 100644
> --- a/rust/kernel/pci/io.rs
> +++ b/rust/kernel/pci/io.rs
> @@ -18,9 +18,12 @@
>
> /// A PCI BAR to perform I/O-Operations on.
> ///
> +/// I/O backend assumes that the device is little-endian and will automatically
> +/// convert from little-endian to CPU endianness.
> +///
> /// # Invariants
> ///
> -/// `Bar` always holds an `IoRaw` inststance that holds a valid pointer to the start of the I/O
> +/// `Bar` always holds an `IoRaw` instance that holds a valid pointer to the start of the I/O
Can you please send this typo fix as a separate patch?
No need to resend this one though, I can change it up on my end.
- Danilo
next prev parent reply other threads:[~2025-12-17 16:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-10 11:25 [PATCH 1/2] rust: pci: document Bar's endianness conversion Marko Turk
2025-12-10 11:25 ` [PATCH 2/2] samples: rust: fix endianness issue in rust_driver_pci Marko Turk
2025-12-10 14:10 ` Dirk Behme
2025-12-17 17:11 ` Danilo Krummrich
2025-12-17 16:23 ` Danilo Krummrich [this message]
2025-12-17 17:06 ` [PATCH 1/2] rust: pci: document Bar's endianness conversion Danilo Krummrich
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