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Mon, 31 Mar 2025 09:33:59 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0F59B20115; Mon, 31 Mar 2025 09:33:44 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A7F102010D; Mon, 31 Mar 2025 09:33:42 +0000 (GMT) Received: from osiris (unknown [9.179.29.62]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTPS; Mon, 31 Mar 2025 09:33:42 +0000 (GMT) Date: Mon, 31 Mar 2025 11:33:41 +0200 From: Heiko Carstens To: Alessandro Carminati Cc: linux-kselftest@vger.kernel.org, Dan Carpenter , Daniel Diaz , David Gow , Arthur Grillo , Brendan Higgins , Naresh Kamboju , Andrew Morton , Maxime Ripard , Ville Syrjala , Daniel Vetter , Guenter Roeck , Alessandro Carminati , Jani Nikula , Shuah Khan , Mickael Salaun , Kees Cook , Stephen Rothwell , dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-next@vger.kernel.org, Vasily Gorbik , Alexander Gordeev Subject: Re: [PATCH] kunit: fixes Compilation error on s390 Message-ID: <20250331093341.25223A5a-hca@linux.ibm.com> References: <20250329150320.331018-1-acarmina@redhat.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250329150320.331018-1-acarmina@redhat.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: xVW9OReMjFYQpZifK1JV2ZR4Aw07ThTv X-Proofpoint-ORIG-GUID: EdCK-MJjGRlM6HdbJPvWvIqT9TKDY7RP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-31_04,2025-03-27_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1011 spamscore=0 mlxlogscore=722 suspectscore=0 impostorscore=0 mlxscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2503310063 On Sat, Mar 29, 2025 at 03:03:20PM +0000, Alessandro Carminati 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 > --- > lib/kunit/Kconfig | 1 + > 1 file changed, 1 insertion(+) Acked-by: Heiko Carstens