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[195.23.151.163]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e53895f0asm65146955e9.2.2026.05.06.09.51.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 May 2026 09:51:20 -0700 (PDT) Sender: Julian Braha Message-ID: Date: Wed, 6 May 2026 17:51:19 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Julian Braha Subject: Re: [RESEND PATCH] s390: fix dead defaults for S390_MODULES_SANITY_TEST and S390_UNWIND_SELFTEST To: Alexander Gordeev Cc: gor@linux.ibm.com, hca@linux.ibm.com, iii@linux.ibm.com, meted@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, akpm@linux-foundation.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260414215651.151228-1-julianbraha@gmail.com> <3ec20142-09d1-436f-a623-21a2440ef7f0-agordeev@linux.ibm.com> Content-Language: en-US In-Reply-To: <3ec20142-09d1-436f-a623-21a2440ef7f0-agordeev@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/6/26 13:37, Alexander Gordeev wrote: > In the end of the day I see no impact on the end result (aka the > generated config) - please correct me if I am wrong. Yes, there is actually an impact on the end result / the generated config: When a user of the kernel build system (e.g. 'make menuconfig') enables the config option KUNIT_ALL_TESTS, the user expects *all of the tests* to be enabled. Which is what commit 25d36a85c61b ("s390/test_unwind: convert to KUnit") was attempting to do with these tests, but it appears they made a copy-paste mistake. This is the commit referenced in the Fixes tag. The point is, these tests were intended to be included with KUNIT_ALL_TESTS, but aren't. This is unintended behavior, and the definition of a bug in the kernel configuration spec. That being said, I do agree with you that this is pretty low in severity, as far as bugs go. It is kunit tests we're talking about, after all. I'll check with Greg to see if he thinks this is worthy of a Fixes tag. Another, similar patch I sent out includes the Fixes tag, and has not received any objections from its 3 reviewers and testers so far: https://lore.kernel.org/all/20260405161545.161006-1-julianbraha@gmail.com/ > I think once the tool is officially included you could refer to it > in the commit message, I will also check on the best practices for tool-assisted development. In the past, I have received encouragement for acknowledging the tool: https://lore.kernel.org/all/bfdfdb05-77e2-455d-b68d-9da3fd9d1c0d@lucifer.local/ and the official kernel docs require an acknowledgement for AI tool assistance (although this tool is not AI and doesn't generate code...) - Julian Braha