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Date: Mon, 25 Aug 2025 08:34:00 -0700
From: Kees Cook <kees@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Sami Tolvanen <samitolvanen@google.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Puranjay Mohan <puranjay@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Nathan Chancellor <nathan@kernel.org>, x86@kernel.org,
	linux-doc@vger.kernel.org, linux-kbuild@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-riscv@lists.infradead.org, llvm@lists.linux.dev,
	linux-hardening@vger.kernel.org
Subject: Re: [PATCH 3/5] x86/cfi: Add option for cfi=debug bootparam
Message-ID: <202508250833.AB86A99894@keescook>
References: <20250825141316.work.967-kees@kernel.org>
 <20250825142603.1907143-3-kees@kernel.org>
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In-Reply-To: <20250825142603.1907143-3-kees@kernel.org>

On Mon, Aug 25, 2025 at 07:25:50AM -0700, Kees Cook wrote:
>  static void __apply_fineibt(s32 *start_retpoline, s32 *end_retpoline,
>  			    s32 *start_cfi, s32 *end_cfi, bool builtin)
>  {
> +	if (builtin)
> +		pr_info("CFI: Using standard kCFI\n");
>  }

Oops, this needs IS_ENABLED(CONFIG_CFI) && ...

-- 
Kees Cook