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b=eYctBN9fSCLuSF9iOPVSF2UquNS5UPYIWHSOW/axi+OBvkcHa+Br7hM177G0aM9+O xtakLfV2hBs4pl0vBN60sMCp6kjgYZRB2G8j++3d7GU2URjtOzsvTLzOV16/LIcIly MjwJGuLDyqrIReTD2PvSd+0BkCOU+QLLDkV0BIdc= Date: Tue, 20 Oct 2026 16:39:28 -0700 From: Andrew Morton To: kernel test robot Cc: Linux Memory Management List , Mark Brown , Ingo Molnar , Peter Zijlstra Subject: Re: [linux-next:master] BUILD REGRESSION 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 Message-Id: <20261020163928.ce045b68bf2ff27ee10cf01d@linux-foundation.org> In-Reply-To: <202610210624.L8z54cjt-lkp@intel.com> References: <202610210624.L8z54cjt-lkp@intel.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Archived-By: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: D54BCC0003 X-Stat-Signature: 81fz7pfas95yc3ue8656nb1deudecwts X-Rspamd-Server: rspam06 X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Rspam-User: X-HE-Tag: 1792539569-508013 X-HE-Meta: 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 IKjifKIV rHpqF/Jolb14Z4NyXDLpm8ZQG24ZA37e6L2mVGT6q45Yxryu/mP0PU86zPIrxw14ndDOqme1D2pffrYhJD1VGkb0PzzeKyUWoPHeqdvIRVghlIBW/Q+LTP2Vt/q1afJ+NDd98QezY/ESemEmuxNeLRfic7o1wEZ3NtCa8sqx4UQavkcUPKldZxUftWjQITYthW97Eg9RVJionelCsr67e7Q5RxSbTF2ZNZHIqxDgCAKWR53C/dUgB2fxZ/XDuvgjtEtuuUtdFiHRoHq5dLx8RX8b4tryqUYiDQRh/ Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Wed, 21 Oct 2026 06:38:27 +0800 kernel test robot wrote: > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > branch HEAD: 3d229ce89862b8e82d71a9e11d6f840ca272a6d6 Add linux-next specific files for 20261019 > > Error/Warning (recently discovered and may have been fixed): > > https://lore.kernel.org/oe-kbuild-all/202610210232.uzFGXnjw-lkp@intel.com > https://lore.kernel.org/oe-kbuild-all/202610210332.DDqYQv5K-lkp@intel.com > > arch/arm64/kvm/vgic/vgic-irs-v5.c:1016:15: warning: variable 'addr' set but not used [-Wunused-but-set-variable=] > kernel/sched/ext/ext.c:5178:17: error: implicit declaration of function 'scx_reenq_wait_dispatching'; did you mean 'scx_wait_dispatching'? [-Wimplicit-function-declaration] Thanks. cc sched peeps. hp2:/usr/src/linux-next> git grep -r scx_reenq_wait_dispatching . kernel/sched/ext/ext.c: scx_reenq_wait_dispatching(p); hp2:/usr/src/linux-next> yeah, that'll do it. Probably already fixed. > Unverified Error/Warning (likely false positive, kindly check if interested): > > fs/ext2/super.c:1040:7: warning: writing variable 's_mount_state' requires holding spinlock '_res->s_lock' exclusively [-Wthread-safety-precise] > fs/ext2/super.c:1138:8: warning: writing variable 's_rsv_window_root' requires holding spinlock '_res->s_rsv_window_lock' exclusively [-Wthread-safety-precise] I doubt if anything else can see these things within ->fill_super(). What tool generated these warnings?