linux-kernel - Re: [PATCH v4 00/14] Add support for suppressing warning backtraces

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Message-Id: <20250425193249.78b45d2589575c15f483c3d8@linux-foundation.org>
Date: Fri, 25 Apr 2025 19:32:49 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Alessandro Carminati <acarmina@...hat.com>
Cc: linux-kselftest@...r.kernel.org, David Airlie <airlied@...il.com>, Arnd
 Bergmann <arnd@...db.de>, Maíra Canal
 <mcanal@...lia.com>, Dan Carpenter <dan.carpenter@...aro.org>, Kees Cook
 <keescook@...omium.org>, Daniel Diaz <daniel.diaz@...aro.org>, David Gow
 <davidgow@...gle.com>, Arthur Grillo <arthurgrillo@...eup.net>, Brendan
 Higgins <brendan.higgins@...ux.dev>, Naresh Kamboju
 <naresh.kamboju@...aro.org>, Maarten Lankhorst
 <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
 Ville Syrjälä <ville.syrjala@...ux.intel.com>, Daniel
 Vetter <daniel@...ll.ch>, Thomas Zimmermann <tzimmermann@...e.de>, Guenter
 Roeck <linux@...ck-us.net>, Alessandro Carminati
 <alessandro.carminati@...il.com>, Jani Nikula <jani.nikula@...el.com>,
 dri-devel@...ts.freedesktop.org, kunit-dev@...glegroups.com,
 linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
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 linux-sh@...r.kernel.org, loongarch@...ts.linux.dev, x86@...nel.org
Subject: Re: [PATCH v4 00/14] Add support for suppressing warning backtraces

On Thu, 13 Mar 2025 11:43:15 +0000 Alessandro Carminati <acarmina@...hat.com> wrote:

> Some unit tests intentionally trigger warning backtraces by passing bad
> parameters to kernel API functions. Such unit tests typically check the
> return value from such calls, not the existence of the warning backtrace.

I've had this series in mm.git's mm-new branch for a while.  I didn't
send it up for 6.15-rc1 due to what I believe to be unresolved review
issues.

I'll drop this v4 series.  Please resend if/when suitable.

Some notes I have taken are:

https://lkml.kernel.org/r/202504190918.JLNuRGVb-lkp@intel.com
https://lkml.kernel.org/r/20250402074550.GQ5880@noisy.programming.kicks-ass.net
#arm64-add-support-for-suppressing-warning-backtraces.patch: check review

Some fixes I had merged which presumably should be carried forward are
https://lore.kernel.org/all/20250330212934.3F898C4CEDD@smtp.kernel.org/T/
https://lkml.kernel.org/r/20250330212739.85827C4CEDD@smtp.kernel.org

Thanks.