linux-kernel - Re: [PATCH] x86: Enable clang LTO for 32-bit as well

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Message-Id: <162334510028.1236130.14295655998961530983.b4-ty@chromium.org>
Date:   Thu, 10 Jun 2021 10:11:42 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Sami Tolvanen <samitolvanen@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Nathan Chancellor <nathan@...nel.org>, x86@...nel.org,
        Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86: Enable clang LTO for 32-bit as well

On Thu, 29 Apr 2021 16:26:12 -0700, Nathan Chancellor wrote:
> Commit b33fff07e3e3 ("x86, build: allow LTO to be selected") enabled
> support for LTO for x86_64 but 32-bit works fine as well.
> 
> I tested the following config combinations:
> 
> * i386_defconfig + CONFIG_LTO_CLANG_FULL=y
> 
> [...]

Applied to for-next/clang/features, thanks!

[1/1] x86: Enable clang LTO for 32-bit as well
      https://git.kernel.org/kees/c/5083971eb1a8

-- 
Kees Cook