From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 6A80B392C28; Tue, 5 May 2026 02:32:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777948329; cv=none; b=h3np86RlPIWDIO8tWmmmOtZ4jxOcLQfe4zASMKqokIcw3kDtuDgUpYVFANHlaO7ZrL+R5Jj+p/y9U9lTE+50gj43pwvC36SeeGzHnIAAubLylPc4ftlZK4mg3ywINfuzlvdwwgKg+DCr7F1mcRKHFYroKbW08Eb5A4GI41wVhhA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777948329; c=relaxed/simple; bh=7zNpcILadDmWNHLxoyVttbmV+/p9Sska7BiaQLLfP8c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qKUZEv3LYzHQZjNFopko/pmP+D5bTOxYbrXanc6+ci5DJKwhc5Icw1Hg1utPw2jM7kth66Du8vh2CwQATCMH6b/yP7GmxJP5KzRe22gBTPDc5yxYhG+Yj/XNbecy0z9+PemTRUrYd4l6OZepNOkc4RzMfuULxVFXquPPKMXtzLc= 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=OaORdmlu; arc=none smtp.client-ip=192.198.163.10 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="OaORdmlu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777948326; x=1809484326; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=7zNpcILadDmWNHLxoyVttbmV+/p9Sska7BiaQLLfP8c=; b=OaORdmlu04mkZPINA9jauoo8OGxbnBPYttGqFWhtAJQZg5nOW6t67pEJ sobaaWPThQfawwXiMHHQRROoI3kYnVEFqSGzPd8ul0AM0THp3zMxvy3Gt nIgVBQ0IKbwBaqj5wkUyX04Ew0Srpd0mqNvlV0WBIFpagX7dw04esHGti xB4i7gG+3Rv1ttxD8AVtISiMTP3qFd3N7qRRayWz0nnfTQAteOSKE2SwE zm8YZwQtSO+cfsj35Pm0irLclY8YRKEUpe/gLdE0vv3/QmGHQV/PG6GDT YDskBgZViFQCe/y3o+R8kNLS+bcPIMBUBbHE9t5Qa+dxrmfvf2UhWCArh g==; X-CSE-ConnectionGUID: Y6Pad/h8Q6yEZuAn++xmHA== X-CSE-MsgGUID: fa4pgp8DTTa482bSnTc/WQ== X-IronPort-AV: E=McAfee;i="6800,10657,11776"; a="90186106" X-IronPort-AV: E=Sophos;i="6.23,216,1770624000"; d="scan'208";a="90186106" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2026 19:32:06 -0700 X-CSE-ConnectionGUID: x5tyru0WSOqoOuafiwR/Pw== X-CSE-MsgGUID: q6TJWa8mTjG8bL9tbn4lSQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,216,1770624000"; d="scan'208";a="259344956" Received: from lkp-server01.sh.intel.com (HELO 781826d00641) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 04 May 2026 19:32:03 -0700 Received: from kbuild by 781826d00641 with local (Exim 4.98.2) (envelope-from ) id 1wK5Zi-000000004Az-0bIO; Tue, 05 May 2026 02:31:56 +0000 Date: Tue, 5 May 2026 10:31:02 +0800 From: kernel test robot To: Aviv Bakal , robin.murphy@arm.com, will@kernel.org, mark.rutland@arm.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, zeev@amazon.com, blakgeof@amazon.com Subject: Re: [PATCH v2] perf/arm-cmn: Add workarounds for CMN-S3 on Graviton5 Message-ID: <202605051052.zOemYJY9-lkp@intel.com> References: <20260504133923.23373-1-avivb@amazon.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260504133923.23373-1-avivb@amazon.com> Hi Aviv, kernel test robot noticed the following build errors: [auto build test ERROR on arm-perf/for-next/perf] [also build test ERROR on soc/for-next linus/master v7.1-rc2 next-20260430] [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/Aviv-Bakal/perf-arm-cmn-Add-workarounds-for-CMN-S3-on-Graviton5/20260505-011858 base: https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git for-next/perf patch link: https://lore.kernel.org/r/20260504133923.23373-1-avivb%40amazon.com patch subject: [PATCH v2] perf/arm-cmn: Add workarounds for CMN-S3 on Graviton5 config: i386-buildonly-randconfig-004-20260505 (https://download.01.org/0day-ci/archive/20260505/202605051052.zOemYJY9-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260505/202605051052.zOemYJY9-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/oe-kbuild-all/202605051052.zOemYJY9-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/perf/arm-cmn.c:617:15: error: static assertion failed due to requirement 'sizeof(struct arm_cmn_hw_event) <= __builtin_offsetof(struct hw_perf_event, target)': sizeof(struct arm_cmn_hw_event) <= offsetof(struct hw_perf_event, target) 617 | static_assert(sizeof(struct arm_cmn_hw_event) <= offsetof(struct hw_perf_event, target)); | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ drivers/perf/arm-cmn.c:617:47: note: expression evaluates to '104 <= 96' 617 | static_assert(sizeof(struct arm_cmn_hw_event) <= offsetof(struct hw_perf_event, target)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ 1 error generated. vim +617 drivers/perf/arm-cmn.c a88fa6c28b867a Robin Murphy 2021-12-03 600 0ba64770a2f2e5 Robin Murphy 2020-09-18 601 struct arm_cmn_hw_event { 0ba64770a2f2e5 Robin Murphy 2020-09-18 602 struct arm_cmn_node *dn; 359414b33e00ba Robin Murphy 2024-09-02 603 u64 dtm_idx[DIV_ROUND_UP(CMN_MAX_NODES_PER_EVENT * 2, 64)]; 7633ec2c262fab Robin Murphy 2023-10-20 604 s8 dtc_idx[CMN_MAX_DTCS]; 0ba64770a2f2e5 Robin Murphy 2020-09-18 605 u8 num_dns; 60d1504070c22c Robin Murphy 2021-12-03 606 u8 dtm_offset; 4a112585ebe8cb Ilkka Koskinen 2024-06-17 607 4a112585ebe8cb Ilkka Koskinen 2024-06-17 608 /* 4a112585ebe8cb Ilkka Koskinen 2024-06-17 609 * WP config registers are divided to UP and DOWN events. We need to 4a112585ebe8cb Ilkka Koskinen 2024-06-17 610 * keep to track only one of them. 4a112585ebe8cb Ilkka Koskinen 2024-06-17 611 */ 4a112585ebe8cb Ilkka Koskinen 2024-06-17 612 DECLARE_BITMAP(wp_idx, CMN_MAX_XPS); 4a112585ebe8cb Ilkka Koskinen 2024-06-17 613 23760a0144173e Robin Murphy 2022-04-18 614 bool wide_sel; 65adf71398f5af Robin Murphy 2022-04-18 615 enum cmn_filter_select filter_sel; 0ba64770a2f2e5 Robin Murphy 2020-09-18 616 }; ff436cee694ee8 Robin Murphy 2024-09-02 @617 static_assert(sizeof(struct arm_cmn_hw_event) <= offsetof(struct hw_perf_event, target)); 0ba64770a2f2e5 Robin Murphy 2020-09-18 618 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki