From: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>,
Kees Cook <kees@outflux.net>, Kees Cook <kees@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Sami Tolvanen <samitolvanen@google.com>,
Linus Walleij <linus.walleij@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Puranjay Mohan <puranjay@kernel.org>,
David Woodhouse <dwmw2@infradead.org>,
Jonathan Corbet <corbet@lwn.net>,
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 5/5] kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI
Date: Fri, 29 Aug 2025 00:46:16 +0200 [thread overview]
Message-ID: <CANiq72mRKHunT2Zkdj4dS5yHrx==MsmY33BvBqOy52_pNqrZFw@mail.gmail.com> (raw)
In-Reply-To: <20250828201915.GA219815@ax162>
On Thu, Aug 28, 2025 at 10:19 PM Nathan Chancellor <nathan@kernel.org> wrote:
>
> Ah yes, I reread your suggestion and that would probably be the best
> course of action, as it does avoid the extra symbol (although I am not
> sure what you mean by one less rename?). As I understand it:
>
> config CFI_CLANG
> bool "Use Kernel Control Flow Integrity (kCFI)"
> depends on ARCH_SUPPORTS_CFI
> depends on $(cc-option,-fsanitize=kcfi)
> help
> <generic help text>
>
> config CFI
> def_bool CFI_CLANG
>
> then keep the rest of the change the same with the rename? I guess the
Yeah, exactly. The name isn't great, though, as you mention, if users
with GCC see it early on.
By one less rename I just meant that we wouldn't have both CFI_GCC and
CFI_CLANG "moved"/"merged" into CFI later on (just 1).
Cheers,
Miguel
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next prev parent reply other threads:[~2025-08-28 23:27 UTC|newest]
Thread overview: 28+ 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 ` [PATCH 1/5] compiler_types.h: Move __nocfi out of compiler-specific header Kees Cook
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 ` [PATCH 3/5] x86/cfi: Add option for cfi=debug bootparam Kees Cook
2025-08-25 15:34 ` Kees Cook
2025-08-25 15:59 ` Peter Zijlstra
2025-08-25 16:16 ` Kees Cook
2025-08-27 19:57 ` Nathan Chancellor
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 ` [PATCH 5/5] kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI Kees Cook
2025-08-25 15:01 ` Miguel Ojeda
2025-08-25 15:35 ` Kees Cook
2025-08-25 17:00 ` Miguel Ojeda
2025-08-25 19:31 ` Kees Cook
2025-08-27 1:34 ` Nathan Chancellor
2025-08-27 7:35 ` Randy Dunlap
2025-08-27 19:38 ` Nathan Chancellor
2025-08-28 6:14 ` Randy Dunlap
2025-08-28 12:11 ` Miguel Ojeda
2025-08-28 20:19 ` Nathan Chancellor
2025-08-28 20:32 ` Kees Cook
2025-08-28 22:22 ` Nathan Chancellor
2025-08-28 22:55 ` Miguel Ojeda
2025-08-28 22:46 ` Miguel Ojeda [this message]
2025-08-26 21:49 ` Jeff Johnson
2025-08-28 12:08 ` Linus Walleij
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