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Tue, 6 Oct 2026 08:24:53 +0000 (GMT) Received: from [9.224.94.162] (unknown [9.224.94.162]) by smtpav06.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 6 Oct 2026 08:24:53 +0000 (GMT) Message-ID: Date: Tue, 6 Oct 2026 10:24:21 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] kbuild: GCOV cleanups following the prefer-atomic fix To: Konstantin Khorenko , Nathan Chancellor , Nicolas Schier , Andrew Morton Cc: Masahiro Yamada , Arnd Bergmann , Mikhail Zaslonko , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261001-b4-prep-gcov-v1-0-794792e06f24@virtuozzo.com> From: Peter Oberparleiter Content-Language: en-US In-Reply-To: <20261001-b4-prep-gcov-v1-0-794792e06f24@virtuozzo.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: MBub8jOiPsl6_0RAkHolSTrdRE6GZlmT X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA2MDAzMiBTYWx0ZWRfX7rHiK/Lp5EiA iaiQDxyjDURWe+kb/K2wk2zmdcszIhu7AblsRLCKqlHhlAO8bz9l/g/k/l3Xq5Me665EQfABut2 XZmzKlWCaZOI2KIF2Bva6Njype8XF60= X-Proofpoint-GUID: MBub8jOiPsl6_0RAkHolSTrdRE6GZlmT X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA2MDAzMiBTYWx0ZWRfX6ahQB7e7W3Oz xTuKeLJxbMXT6qt/UqcArcy/7idWjw8LE0dvFhVNNAI18lDgIuycnumpFSRn+w1KyYoPZyQ4S0b pU5Hk9LLdvlOtMvLKrBMmTjS6v6LKEKSeaaagOTOnEIq+6UQ03kwYyQg5pfnsCE2qwha6lDVvIm sLVuqAzE1jAz2Ilc40/gYDymXYSQDmp14Ee2lQC0+R/LNPrHrMyLX+MLTg47L5QP/Oh9+h8QFm9 Pq7KV04FYhntqJ1Y7sqa5qmkhPpZVT0rt8FPYqre6VSHJzyHC3ijvFSt4yj2KhliBGdO/XjGCXb rfqSPh00RnOjtVl833s29ZTmtO54cDX6cItO1txRT93saTfmsU4sH4GneYaetHAwES2y+zvYieK G503kmHvVXZnh1L9E6UQaYiM9RCWFgL407KpAn8XdJoN+vXlQfBi5nFPhvHCfJdvb+TxM17RfOc jC907F6Y+m1lAsTRGZQ== X-Authority-Analysis: v=2.4 cv=fM2sTpae c=1 sm=1 tr=0 ts=6ac4b058 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=TYBLyS7eAAAA:8 a=7PMU586lhponhzwrbjQA:9 a=QEXdDO2ut3YA:10 a=zvYvwCWiE4KgVXXeO06c:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-06_02,2026-10-05_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1011 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610060032 On 01.10.2026 18:57, Konstantin Khorenko wrote: > Two cleanups Peter Oberparleiter suggested while reviewing > commit 56cb9b7d96b2 ("gcov: use atomic counter updates to fix > concurrent access crashes"): > > https://lore.kernel.org/e1b6e768-51af-468b-a729-0ed3fceef2f1@linux.ibm.com > > Patch 1 makes the prefer-atomic try-run test reuse $(CFLAGS_GCOV) > instead of spelling the flags out again, so the test compiles with the > exact GCOV flags, -fno-tree-loop-im included. > > Patch 2 moves the CFLAGS_GCOV block into scripts/Makefile.gcov, > included via include-$(CONFIG_GCOV_KERNEL) like the other > instrumentation makefiles. The try-run also stops running on builds > without GCOV. > > Signed-off-by: Konstantin Khorenko Looks great, thanks for following up on this! For both patches: Reviewed-by: Peter Oberparleiter Tested-by: Peter Oberparleiter -- Peter Oberparleiter Linux on IBM Z Development - IBM Germany R&D