linux-kernel - Re: [PATCH] kunit: fixes Compilation error on s390

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Message-ID: <20250330090946.3f7d0c00@canb.auug.org.au>
Date: Sun, 30 Mar 2025 09:09:46 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Alessandro Carminati <acarmina@...hat.com>
Cc: linux-kselftest@...r.kernel.org, Dan Carpenter
 <dan.carpenter@...aro.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>, Andrew Morton <akpm@...ux-foundation.org>,
 Maxime Ripard <mripard@...nel.org>, Ville Syrjala
 <ville.syrjala@...ux.intel.com>, Daniel Vetter <daniel@...ll.ch>, Guenter
 Roeck <linux@...ck-us.net>, Alessandro Carminati
 <alessandro.carminati@...il.com>, Jani Nikula <jani.nikula@...el.com>,
 Shuah Khan <skhan@...uxfoundation.org>, Mickael Salaun <mic@...ikod.net>,
 Kees Cook <kees@...nel.org>, dri-devel@...ts.freedesktop.org,
 kunit-dev@...glegroups.com, linux-arch@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
 linux-next@...r.kernel.org
Subject: Re: [PATCH] kunit: fixes Compilation error on s390

Hi Alessandro,

On Sat, 29 Mar 2025 15:03:20 +0000 Alessandro Carminati <acarmina@...hat.com> wrote:
>
> The current implementation of suppressing warning backtraces uses __func__,
> which is a compile-time constant only for non -fPIC compilation.
> GCC's support for this situation in position-independent code varies across
> versions and architectures.
> 
> On the s390 architecture, -fPIC is required for compilation, and support
> for this scenario is available in GCC 11 and later.
> 
> Fixes:  d8b14a2 ("bug/kunit: core support for suppressing warning backtraces")
> 
> Signed-off-by: Alessandro Carminati <acarmina@...hat.com>

Please keep all the commit message tags together at the end of the
commit message.

-- 
Cheers,
Stephen Rothwell

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