From: Karl Mehltretter <kmehltretter@gmail.com>
To: Gary Guo <gary@garyguo.net>
Cc: "Russell King" <linux@armlinux.org.uk>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>,
"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>,
"Danilo Krummrich" <dakr@kernel.org>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Tamir Duberstein" <tamird@kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Onur Özkan" <work@onurozkan.dev>,
"Arnd Bergmann" <arnd@arndb.de>,
"Linus Walleij" <linusw@kernel.org>,
"Christian Schrefl" <chrisi.schrefl@gmail.com>,
"Bradley Morgan" <brads@mainlining.org>,
"Paul E . McKenney" <paulmck@kernel.org>,
"Nathan Chancellor" <nathan@kernel.org>,
"Nick Desaulniers" <ndesaulniers@google.com>,
"Bill Wendling" <morbo@google.com>,
"Justin Stitt" <justinstitt@google.com>,
linux-arm-kernel@lists.infradead.org,
rust-for-linux@vger.kernel.org, llvm@lists.linux.dev,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/6] ARM: rust: Enable Rust support for ARMv4T
Date: Fri, 9 Oct 2026 03:21:59 +0200 [thread overview]
Message-ID: <ashAuRn5eT2iiMAk@gmail.com> (raw)
In-Reply-To: <DLZC7PFV4O75.VPMF8KDNW8JY@garyguo.net>
On Thu, Oct 08, 2026 at 11:08:52AM +0100, Gary Guo wrote:
> > +============= ================ ======================================================
> > Architecture Level of support Constraints
> > -============= ================ ==============================================
> > -``arm`` Maintained ARMv5TE, ARMv6K and ARMv7, Little Endian only.
> > +============= ================ ======================================================
> > +``arm`` Maintained ARMv4T, ARMv5TE, ARMv6K and ARMv7, Little Endian only.
>
> Can we say "ARMv4T or above" or something similar?
>
Plain ARMv6 (CPU_V6, ARM1136r0) and ARMv7-M stay excluded, so "or above"
alone would cover too much. It could be
ARMv4T and above except plain ARMv6 and ARMv7-M, Little Endian only.
That is longer than the list. I can change it if there is a preference
for this form.
Thanks,
Karl
next prev parent reply other threads:[~2026-10-09 1:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 5:37 [PATCH v2 0/6] ARM: rust: Enable Rust support for ARMv4T, ARMv5TE and ARMv6K Karl Mehltretter
2026-10-08 5:37 ` [PATCH v2 1/6] ARM: cmpxchg: always inline __arch_xchg() and __cmpxchg() Karl Mehltretter
2026-10-08 9:01 ` Gary Guo
2026-10-09 1:17 ` Karl Mehltretter
2026-10-09 9:50 ` Gary Guo
2026-10-08 5:37 ` [PATCH v2 2/6] ARM: cmpxchg: support 2-byte xchg() on pre-ARMv6 CPUs Karl Mehltretter
2026-10-08 5:37 ` [PATCH v2 3/6] ARM: rust: Enable Rust support for ARMv6K-only kernels Karl Mehltretter
2026-10-08 5:37 ` [PATCH v2 4/6] ARM: rust: Enable Rust support for ARMv5TE Karl Mehltretter
2026-10-08 5:37 ` [PATCH v2 5/6] ARM: rust: Enable Rust support for ARMv4T Karl Mehltretter
2026-10-08 9:08 ` Gary Guo
2026-10-09 1:21 ` Karl Mehltretter [this message]
2026-10-08 5:37 ` [PATCH v2 6/6] ARM: rust: Build Rust code for ARMv7 on ARMv7 kernels Karl Mehltretter
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