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From: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
To: Will Deacon <will@kernel.org>
Cc: "Alice Ryhl" <aliceryhl@google.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Jamie Cunliffe" <Jamie.Cunliffe@arm.com>,
	"Sami Tolvanen" <samitolvanen@google.com>,
	"Masahiro Yamada" <masahiroy@kernel.org>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nicolas Schier" <nicolas@fjasle.eu>,
	"Ard Biesheuvel" <ardb@kernel.org>,
	"Marc Zyngier" <maz@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Kees Cook" <keescook@chromium.org>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Wedson Almeida Filho" <wedsonaf@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@samsung.com>,
	"Valentin Obst" <kernel@valentinobst.de>,
	linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	rust-for-linux@vger.kernel.org
Subject: Re: [PATCH v2] rust: add flags for shadow call stack sanitizer
Date: Tue, 9 Apr 2024 17:55:04 +0200	[thread overview]
Message-ID: <CANiq72mzMBDJnkSW_EDaVdAEHbWtsLL6-unY0R2nOpexhHbfhg@mail.gmail.com> (raw)
In-Reply-To: <20240409103120.GA22557@willie-the-truck>

On Tue, Apr 9, 2024 at 12:31 PM Will Deacon <will@kernel.org> wrote:
>
> I think we have time to do this properly, like we did for the clang
> enablement a few years ago. In hindsight, avoiding hacks for the early
> toolchains back then was a really good idea because it meant we could
> rely on a solid baseline set of compiler features from the start.

Yeah, it sounds fair, thanks!

After the warning is fixed (i.e. `-Zfixed-x18` or similar is
implemented etc.), I would recommend adding support to the kernel for
the `-Z` (unstable) flags, similar to this patch, in order to test
them easily and getting `rustc` to stabilize them. Then the only
change required should be a name change to `-C` or similar.

Cheers,
Miguel

  reply	other threads:[~2024-04-09 15:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-05 11:58 [PATCH v2] rust: add flags for shadow call stack sanitizer Alice Ryhl
2024-03-05 12:14 ` Miguel Ojeda
2024-04-09 10:31   ` Will Deacon
2024-04-09 15:55     ` Miguel Ojeda [this message]
2024-04-30 11:09     ` Alice Ryhl
2024-06-04 14:29       ` Will Deacon
2024-06-04 14:53         ` Alice Ryhl
2024-06-24 13:59           ` Will Deacon
2024-03-05 14:13 ` Valentin Obst
2024-03-06 19:15 ` Sami Tolvanen

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