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Date: Mon, 25 Aug 2025 16:31:41 +0200
Message-Id: <DCBKY1SJY43S.UM6L2B8AQHOX@kernel.org>
Subject: Re: [PATCH] rust: kernel: remove support for unused host `#[test]`s
Cc: "Alex Gaynor" <alex.gaynor@gmail.com>, "Brendan Higgins"
 <brendan.higgins@linux.dev>, "David Gow" <davidgow@google.com>, "Masahiro
 Yamada" <masahiroy@kernel.org>, "Boqun Feng" <boqun.feng@gmail.com>, "Gary
 Guo" <gary@garyguo.net>, =?utf-8?q?Bj=C3=B6rn_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>, <rust-for-linux@vger.kernel.org>, "Rae
 Moar" <rmoar@google.com>, <linux-kselftest@vger.kernel.org>,
 <kunit-dev@googlegroups.com>, "Nathan Chancellor" <nathan@kernel.org>,
 "Nicolas Schier" <nicolas@fjasle.eu>, <linux-kbuild@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>, <patches@lists.linux.dev>
To: "Miguel Ojeda" <ojeda@kernel.org>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20250726180750.2735836-1-ojeda@kernel.org>
In-Reply-To: <20250726180750.2735836-1-ojeda@kernel.org>

On Sat Jul 26, 2025 at 8:07 PM CEST, Miguel Ojeda wrote:
> Since commit 028df914e546 ("rust: str: convert `rusttest` tests into
> KUnit"), we do not have anymore host `#[test]`s that run in the host.
>
> Moreover, we do not plan to add any new ones -- tests should generally
> run within KUnit, since there they are built the same way the kernel
> does. While we may want to have some way to define tests that can also
> be run outside the kernel, we still want to test within the kernel too
> [1], and thus would likely use a custom syntax anyway to define them.
>
> Thus simplify the `rusttest` target by removing support for host
> `#[test]`s for the `kernel` crate.
>
> This still maintains the support for the `macros` crate, even though we
> do not have any such tests there.
>
> Link: https://lore.kernel.org/rust-for-linux/CABVgOS=3DAKHSfifp0S68K3jgNZ=
AkALBr=3D7iFb=3DniryG5WDxjSrg@mail.gmail.com/ [1]
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Applied to alloc-next, thanks!