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
Date: Mon, 25 Aug 2025 08:34:00 -0700 [thread overview]
Message-ID: <202508250833.AB86A99894@keescook> (raw)
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
WARNING: multiple messages have this Message-ID (diff)
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
Date: Mon, 25 Aug 2025 08:34:00 -0700 [thread overview]
Message-ID: <202508250833.AB86A99894@keescook> (raw)
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
_______________________________________________
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linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2025-08-25 15:58 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 14:25 [PATCH 0/5] kcfi: Prepare for GCC support Kees Cook
2025-08-25 14:25 ` Kees Cook
2025-08-25 14:25 ` [PATCH 1/5] compiler_types.h: Move __nocfi out of compiler-specific header Kees Cook
2025-08-25 14:25 ` Kees Cook
2025-08-27 19:46 ` Nathan Chancellor
2025-08-27 19:46 ` Nathan Chancellor
2025-08-25 14:25 ` [PATCH 2/5] x86/traps: Clarify KCFI instruction layout Kees Cook
2025-08-25 14:25 ` Kees Cook
2025-08-25 14:25 ` [PATCH 3/5] x86/cfi: Add option for cfi=debug bootparam Kees Cook
2025-08-25 14:25 ` Kees Cook
2025-08-25 15:34 ` Kees Cook [this message]
2025-08-25 15:34 ` Kees Cook
2025-08-25 15:59 ` Peter Zijlstra
2025-08-25 15:59 ` Peter Zijlstra
2025-08-25 16:16 ` Kees Cook
2025-08-25 16:16 ` Kees Cook
2025-08-27 19:57 ` Nathan Chancellor
2025-08-27 19:57 ` Nathan Chancellor
2025-08-29 1:49 ` Kees Cook
2025-08-29 1:49 ` Kees Cook
2025-08-25 14:25 ` [PATCH 4/5] x86/cfi: Remove __noinitretpoline and __noretpoline Kees Cook
2025-08-25 14:25 ` Kees Cook
2025-08-25 14:25 ` [PATCH 5/5] kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI Kees Cook
2025-08-25 14:25 ` Kees Cook
2025-08-25 15:01 ` Miguel Ojeda
2025-08-25 15:01 ` Miguel Ojeda
2025-08-25 15:35 ` Kees Cook
2025-08-25 15:35 ` Kees Cook
2025-08-25 17:00 ` Miguel Ojeda
2025-08-25 17:00 ` Miguel Ojeda
2025-08-25 19:31 ` Kees Cook
2025-08-25 19:31 ` Kees Cook
2025-08-27 1:34 ` Nathan Chancellor
2025-08-27 1:34 ` Nathan Chancellor
2025-08-27 7:35 ` Randy Dunlap
2025-08-27 7:35 ` Randy Dunlap
2025-08-27 19:38 ` Nathan Chancellor
2025-08-27 19:38 ` Nathan Chancellor
2025-08-28 6:14 ` Randy Dunlap
2025-08-28 6:14 ` Randy Dunlap
2025-08-28 12:11 ` Miguel Ojeda
2025-08-28 12:11 ` Miguel Ojeda
2025-08-28 20:19 ` Nathan Chancellor
2025-08-28 20:19 ` Nathan Chancellor
2025-08-28 20:32 ` Kees Cook
2025-08-28 20:32 ` Kees Cook
2025-08-28 22:22 ` Nathan Chancellor
2025-08-28 22:22 ` Nathan Chancellor
2025-08-28 22:55 ` Miguel Ojeda
2025-08-28 22:55 ` Miguel Ojeda
2025-08-28 22:46 ` Miguel Ojeda
2025-08-28 22:46 ` Miguel Ojeda
2025-08-26 21:49 ` Jeff Johnson
2025-08-26 21:49 ` Jeff Johnson
2025-08-28 12:08 ` Linus Walleij
2025-08-28 12:08 ` Linus Walleij
2025-10-14 1:12 ` [PATCH 0/5] kcfi: Prepare for GCC support patchwork-bot+linux-riscv
2025-10-14 1:12 ` patchwork-bot+linux-riscv
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