linux-hardening - Re: [PATCH] compiler_types: Identify compiler versions for __builtin_dynamic_object

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Message-ID: <CANiq72=2Y1NYVkEYR=Q5_HDbLu=P6KRsOzDKGw-8Zw6U-_KtYA@mail.gmail.com>
Date: Wed, 16 Apr 2025 20:43:58 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Kees Cook <kees@...nel.org>
Cc: Nathan Chancellor <nathan@...nel.org>, Miguel Ojeda <ojeda@...nel.org>, 
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>, Bill Wendling <morbo@...gle.com>, 
	Justin Stitt <justinstitt@...gle.com>, Peter Zijlstra <peterz@...radead.org>, 
	Marco Elver <elver@...gle.com>, Przemek Kitszel <przemyslaw.kitszel@...el.com>, llvm@...ts.linux.dev, 
	Andrew Morton <akpm@...ux-foundation.org>, Jan Hendrik Farr <kernel@...rr.cc>, 
	Tony Ambardar <tony.ambardar@...il.com>, Alexander Potapenko <glider@...gle.com>, 
	Uros Bizjak <ubizjak@...il.com>, linux-kernel@...r.kernel.org, 
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH] compiler_types: Identify compiler versions for __builtin_dynamic_object_size

On Wed, Apr 16, 2025 at 7:20 PM Kees Cook <kees@...nel.org> wrote:
>
> Clarify when __builtin_dynamic_object_size() is available. All our
> supported Clang versions support it. GCC 12 and later support it. Link
> to documentation for both.
>
> Signed-off-by: Kees Cook <kees@...nel.org>

Looks good to me, thanks!

If you/someone is taking it through their tree:

Acked-by: Miguel Ojeda <ojeda@...nel.org>

Cheers,
Miguel