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Date: Fri, 30 May 2025 11:26:59 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Alessandro Carminati <acarmina@redhat.com>
Cc: linux-kselftest@vger.kernel.org,
	Dan Carpenter <dan.carpenter@linaro.org>,
	Kees Cook <keescook@chromium.org>,
	Daniel Diaz <daniel.diaz@linaro.org>,
	David Gow <davidgow@google.com>,
	Arthur Grillo <arthurgrillo@riseup.net>,
	Brendan Higgins <brendan.higgins@linux.dev>,
	Naresh Kamboju <naresh.kamboju@linaro.org>,
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	Maxime Ripard <mripard@kernel.org>,
	Ville Syrjala <ville.syrjala@linux.intel.com>,
	Daniel Vetter <daniel@ffwll.ch>, Guenter Roeck <linux@roeck-us.net>,
	Alessandro Carminati <alessandro.carminati@gmail.com>,
	Jani Nikula <jani.nikula@intel.com>,
	Jeff Johnson <jeff.johnson@oss.qualcomm.com>,
	Josh Poimboeuf <jpoimboe@kernel.org>,
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	Linux Kernel Functional Testing <lkft@linaro.org>,
	dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 1/5] bug/kunit: Core support for suppressing warning
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Message-ID: <20250530092659.GD21197@noisy.programming.kicks-ass.net>
References: <20250526132755.166150-1-acarmina@redhat.com>
 <20250526132755.166150-2-acarmina@redhat.com>
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In-Reply-To: <20250526132755.166150-2-acarmina@redhat.com>

On Mon, May 26, 2025 at 01:27:51PM +0000, Alessandro Carminati wrote:
> A helper function, `__kunit_is_suppressed_warning()`, is used to determine
> whether suppression applies. It is marked as `noinstr`, since some `WARN*()`
> sites reside in non-instrumentable sections. As it uses `strcmp`, a
> `noinstr` version of `strcmp` was introduced.

That just sounds all sorts of wrong.