Re: [PATCH v2 0/9] kcfi: Prepare for GCC support

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To: Kees Cook <kees@xxxxxxxxxx>
Subject: Re: [PATCH v2 0/9] kcfi: Prepare for GCC support
From: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
Date: Fri, 5 Sep 2025 09:44:41 +0200
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Nathan Chancellor <nathan@xxxxxxxxxx>, Vegard Nossum <vegard.nossum@xxxxxxxxxx>, Miguel Ojeda <ojeda@xxxxxxxxxx>, Linus Walleij <linus.walleij@xxxxxxxxxx>, Jeff Johnson <jeff.johnson@xxxxxxxxxxxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, "Russell King (Oracle)" <rmk+kernel@xxxxxxxxxxxxxxx>, Nick Desaulniers <nick.desaulniers+lkml@xxxxxxxxx>, Bill Wendling <morbo@xxxxxxxxxx>, Justin Stitt <justinstitt@xxxxxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx>, Ramon de C Valle <rcvalle@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxx>, Nicolas Schier <nicolas.schier@xxxxxxxxx>, Masahiro Yamada <masahiroy@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>, Sami Tolvanen <samitolvanen@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, llvm@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kbuild@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-hardening@xxxxxxxxxxxxxxx
In-reply-to: <202509041740.1007FFEA@keescook>
References: <20250904033217.it.414-kees@kernel.org> <20250904070410.GX4067720@noisy.programming.kicks-ass.net> <202509040933.06AF02E714@keescook> <20250904200134.GA4067720@noisy.programming.kicks-ass.net> <202509041740.1007FFEA@keescook>

On Fri, Sep 5, 2025 at 2:42 AM Kees Cook <kees@xxxxxxxxxx> wrote:
>
> Assuming Nathan (and Vegard? or other folks from the other thread?) are
> okay with the kconfig changes, I'll take it via hardening.

I haven't had time to take a proper look, test it etc., so I didn't
reply, sorry -- but I am following the thread and I am glad if we have
something to easily/properly support this, so thanks for this.

(And sorry for having triggered all this discussion/work -- at least
if we get this done it will have been worth it :)

I will leave a quick message about the commit message.

Cheers,
Miguel

References:
- [PATCH v2 0/9] kcfi: Prepare for GCC support
  - From: Kees Cook
- Re: [PATCH v2 0/9] kcfi: Prepare for GCC support
  - From: Peter Zijlstra
- Re: [PATCH v2 0/9] kcfi: Prepare for GCC support
  - From: Kees Cook
- Re: [PATCH v2 0/9] kcfi: Prepare for GCC support
  - From: Peter Zijlstra
- Re: [PATCH v2 0/9] kcfi: Prepare for GCC support
  - From: Kees Cook

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