linux-hardening - Re: [PATCH 1/1] hardening: simplify CONFIG_CC_HAS_COUNTED

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Message-Id: <174603897563.2038935.1424040118974988068.b4-ty@kernel.org>
Date: Wed, 30 Apr 2025 11:49:38 -0700
From: Kees Cook <kees@...nel.org>
To: Jan Hendrik Farr <kernel@...rr.cc>
Cc: Kees Cook <kees@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Bill Wendling <morbo@...gle.com>,
	"Gustavo A . R . Silva" <gustavoars@...nel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Justin Stitt <justinstitt@...gle.com>,
	linux-hardening@...r.kernel.org,
	llvm@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...ux.dev>
Subject: Re: [PATCH 1/1] hardening: simplify CONFIG_CC_HAS_COUNTED_BY

On Wed, 30 Apr 2025 20:42:31 +0200, Jan Hendrik Farr wrote:
> Simplifies CONFIG_CC_HAS_COUNTED_BY by removing the build test and
> relying solely on gcc/clang version numbering (GCC_VERSION >= 150100 and
> CLANG_VERSION >= 190103).
> 
> The build test was used to allow unreleased gcc 15.0 builds to use the
> __counted_by attribute. Now that gcc 15.1.0 has been released, this is
> not needed anymore. Note: This will disable __counted_by on unreleased
> gcc 15.0 builds.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] hardening: simplify CONFIG_CC_HAS_COUNTED_BY
      https://git.kernel.org/kees/c/788d882e609f

Take care,

-- 
Kees Cook