From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 700191B4F1F for ; Sat, 11 Apr 2026 11:18:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775906305; cv=none; b=sP+nwHwE8nOvhiKCRB4sHGhMjgp2l3/+hb1RObi/IM1QG4ULDlnrmfS4nv7KQKqXmxkFJFzo9Sim6ZePeCqxHdV0F1WAX1MiUzo2kt010+yVFDR7BOzeVD7E08yDXQgx966VShP/S0SDDZ/5JIb0E0ZZ5cTtzDQj5NrKXwUOjNE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775906305; c=relaxed/simple; bh=6glwjRjE95MLkfx9svsEpXrdfOnItf0RsuO7eA4c1ds=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=WGbbB55ddVqlKY0jzyh0LYOI+ggf2h/vjEFR8GvLF4mgXJ2YAwRzIKEfyy4nuBbyJUoBxEqELW2I/mQsRDKG2uDxRDPe8zSYelLbiGzt7tL37wiKTocRYuW8SlEvrY29kFl5hdAhGabfcwDrz9AGaGf4ok0cG5LFSxcWjjcryxw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=B+/nADjs; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="B+/nADjs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775906304; x=1807442304; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=6glwjRjE95MLkfx9svsEpXrdfOnItf0RsuO7eA4c1ds=; b=B+/nADjsLK1cXvTployMaIUKFmBe7rzl9kowTs4O21LCp3V9qewzby3V KcoUTanBT0R8jA+DaJHYdaa/cD2DYkPfvaKab0vJ8Rm24e41heql6ShgB 8avKthZGVGzHxaR1UB5x+LS/j55Hoj2Oz2dL3Qi/seGujX80DlJq7b5OP gLeXyKfV/IAP1Ma0HbEkx9Ax2qIt+Ef03RjsFTj28LehWwDhx9tcD87o6 V+nrH+rq3RkRbOgYqrlxBTwNNIH6MJnGI+xgaTA6DjHvFR0ftLl0quhVB za6HIsR1ysq7LPL9S4i1LPnT1fNMz33MSU00eOtVV3FvasBdN3qKHhifB w==; X-CSE-ConnectionGUID: bTn4jDX+TM2GQuKQCZ8low== X-CSE-MsgGUID: t1FlUn76QVSnfQ+wwqyzOA== X-IronPort-AV: E=McAfee;i="6800,10657,11755"; a="87203757" X-IronPort-AV: E=Sophos;i="6.23,173,1770624000"; d="scan'208";a="87203757" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2026 04:18:23 -0700 X-CSE-ConnectionGUID: u6MeRAzMS9WBeCiJ8eckzQ== X-CSE-MsgGUID: In1O2p26Qs+l9p+lHr3sPw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,173,1770624000"; d="scan'208";a="224602046" Received: from lkp-server01.sh.intel.com (HELO 3eaaf1a74b89) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 11 Apr 2026 04:18:22 -0700 Received: from kbuild by 3eaaf1a74b89 with local (Exim 4.98.2) (envelope-from ) id 1wBWLz-0000000016P-2Mbj; Sat, 11 Apr 2026 11:18:19 +0000 Date: Sat, 11 Apr 2026 19:17:56 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: Re: [PATCH] gcov: use atomic counter updates to fix concurrent access crashes Message-ID: <202604111946.Erd3tguU-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit :::::: :::::: Manual check reason: "only suspicious fbc files changed" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20260402141831.1437357-2-khorenko@virtuozzo.com> References: <20260402141831.1437357-2-khorenko@virtuozzo.com> TO: Konstantin Khorenko TO: Peter Oberparleiter TO: Mikhail Zaslonko TO: Nathan Chancellor TO: Nicolas Schier CC: Masahiro Yamada CC: "Thomas Weißschuh" CC: Arnd Bergmann CC: Steffen Klassert CC: Herbert Xu CC: linux-kbuild@vger.kernel.org CC: linux-kernel@vger.kernel.org CC: netdev@vger.kernel.org CC: Konstantin Khorenko CC: Pavel Tikhomirov CC: Vasileios Almpanis CC: Jakub Kicinski Hi Konstantin, kernel test robot noticed the following build warnings: [auto build test WARNING on soc/for-next] [also build test WARNING on linus/master v7.0-rc7 next-20260410] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Konstantin-Khorenko/gcov-use-atomic-counter-updates-to-fix-concurrent-access-crashes/20260411-133428 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20260402141831.1437357-2-khorenko%40virtuozzo.com patch subject: [PATCH] gcov: use atomic counter updates to fix concurrent access crashes :::::: branch date: 6 hours ago :::::: commit date: 6 hours ago config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20260411/202604111946.Erd3tguU-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260411/202604111946.Erd3tguU-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202604111946.Erd3tguU-lkp@intel.com/ All warnings (new ones prefixed by >>): >> io_uring/io_uring.c:3224:1: warning: target does not support atomic profile update, single mode is selected 3224 | __initcall(io_uring_init); | ^~~~~~~~~~ -- >> io_uring/opdef.c:890:1: warning: target does not support atomic profile update, single mode is selected 890 | } | ^ -- >> io_uring/kbuf.c:740:1: warning: target does not support atomic profile update, single mode is selected 740 | } | ^ -- >> io_uring/rsrc.c:1555:1: warning: target does not support atomic profile update, single mode is selected 1555 | } | ^ -- >> io_uring/notif.c:141:1: warning: target does not support atomic profile update, single mode is selected 141 | } | ^ -- >> io_uring/tctx.c:388:1: warning: target does not support atomic profile update, single mode is selected 388 | } | ^ -- >> io_uring/filetable.c:158:1: warning: target does not support atomic profile update, single mode is selected 158 | } | ^ -- >> io_uring/rw.c:1397:1: warning: target does not support atomic profile update, single mode is selected 1397 | } | ^ -- >> io_uring/poll.c:963:1: warning: target does not support atomic profile update, single mode is selected 963 | } | ^ -- >> io_uring/tw.c:355:1: warning: target does not support atomic profile update, single mode is selected 355 | } | ^ -- >> io_uring/wait.c:308:1: warning: target does not support atomic profile update, single mode is selected 308 | } | ^ .. vim +3224 io_uring/io_uring.c 76d3ccecfa186a io_uring/io_uring.c Matteo Rizzo 2023-08-21 3221 2b188cc1bb857a fs/io_uring.c Jens Axboe 2019-01-07 3222 return 0; 2b188cc1bb857a fs/io_uring.c Jens Axboe 2019-01-07 3223 }; 2b188cc1bb857a fs/io_uring.c Jens Axboe 2019-01-07 @3224 __initcall(io_uring_init); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki