From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 C67AD256C7D; Tue, 20 May 2025 23:38:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747784331; cv=none; b=pswJLKd3EuT+y0iwVmOVHF3QR94wSivclkr0Dsr7ZET05ihGm/iTZPMqj3sjL+Xx8P8zVh0fd2QbPyqyXrt/rwQb7glhjv8jpZrg0CHjEqH91L2qhSqp0R76BlT3JNGcPMFGvKZX6Y2sh2dfGHLRDQei8MN6fVQMhUaTIk3OERs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747784331; c=relaxed/simple; bh=6k7yATObDw4adb5vnXcEwNXFnoSuP4qFoAizUOImBEw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KGsUShFva/SGjA/FYuMgYslX7nqL5oF2se5Aw6ixAPjY55VCSNckszVxD4uK9+s87x565TUnVCJFtGixSO1P65xWFrSVh1/XOkU92XvPoZWiQWwBpFslnZm2/aAbfWxbl0ZtDMgNd5lQlrhZHOu/59BJgy0XFote+cr02Tlh1sE= 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=VSujWilA; arc=none smtp.client-ip=192.198.163.11 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="VSujWilA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747784329; x=1779320329; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6k7yATObDw4adb5vnXcEwNXFnoSuP4qFoAizUOImBEw=; b=VSujWilA3ybCRl7Hd7jUQIf+PUvKT15vw7UcgDAB2HXAtSA3FGw4dujG nOW9zrtcFJJxdp8uFQi/t5VvOhiAryKg/5bzGWfockGFVExpp+Cdy6q4z nnLrBezgqFUS7RpcNlXqJZumXpI5Xd1Vwj9Za1P0QDCjcCaQ3AdkIWn+x QzJ/RdS3Gai4qcHmunbGE6Z3WWzlcpLo+dcCflWGj+6z3XGQDZiZcsdBg z/m9pzbNELibjbT3gDpoVixdHB15e2ySYA60sClc9qm5XlJVAHSzAig/r 1FDpK1wR9DkZGi7MLkePBveb/daM1WnavSAMuV85Jxn84pASpWvXOwoZS w==; X-CSE-ConnectionGUID: ZaCxezxsSmqAfurGTDr9VA== X-CSE-MsgGUID: JtsGmn2jTTOPdd0MsuMdZg== X-IronPort-AV: E=McAfee;i="6700,10204,11439"; a="60380972" X-IronPort-AV: E=Sophos;i="6.15,303,1739865600"; d="scan'208";a="60380972" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2025 16:38:48 -0700 X-CSE-ConnectionGUID: nAe3oT3uTHyMCF3lRzQ6hg== X-CSE-MsgGUID: n77WxTsbRF22rRPP9zdLSA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,303,1739865600"; d="scan'208";a="144725084" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 20 May 2025 16:38:46 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uHWXk-000Nfo-1f; Tue, 20 May 2025 23:38:44 +0000 Date: Wed, 21 May 2025 07:37:57 +0800 From: kernel test robot To: lizhe.67@bytedance.com, alex.williamson@redhat.com Cc: oe-kbuild-all@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, lizhe.67@bytedance.com, muchun.song@linux.dev Subject: Re: [PATCH v3] vfio/type1: optimize vfio_pin_pages_remote() for huge folio Message-ID: <202505210701.WY7sKXwU-lkp@intel.com> References: <20250520070020.6181-1-lizhe.67@bytedance.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: <20250520070020.6181-1-lizhe.67@bytedance.com> Hi, kernel test robot noticed the following build errors: [auto build test ERROR on awilliam-vfio/next] [also build test ERROR on awilliam-vfio/for-linus linus/master v6.15-rc7 next-20250516] [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/lizhe-67-bytedance-com/vfio-type1-optimize-vfio_pin_pages_remote-for-huge-folio/20250520-150123 base: https://github.com/awilliam/linux-vfio.git next patch link: https://lore.kernel.org/r/20250520070020.6181-1-lizhe.67%40bytedance.com patch subject: [PATCH v3] vfio/type1: optimize vfio_pin_pages_remote() for huge folio config: i386-randconfig-013-20250521 (https://download.01.org/0day-ci/archive/20250521/202505210701.WY7sKXwU-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250521/202505210701.WY7sKXwU-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/202505210701.WY7sKXwU-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from : drivers/vfio/vfio_iommu_type1.c: In function 'vfio_pin_pages_remote': >> include/linux/compiler_types.h:542:45: error: call to '__compiletime_assert_499' declared with attribute error: min((long)batch->size, folio_nr_pages(folio) - (({ const struct page *__pg = (batch->pages[batch->offset]); int __sec = page_to_section(__pg); (unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec))); }) - folio_pfn(folio))) signedness error 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:523:25: note: in definition of macro '__compiletime_assert' 523 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert' 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/minmax.h:93:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \ | ^~~~~~~~~~~~~~~~ include/linux/minmax.h:98:9: note: in expansion of macro '__careful_cmp_once' 98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) | ^~~~~~~~~~~~~~~~~~ include/linux/minmax.h:105:25: note: in expansion of macro '__careful_cmp' 105 | #define min(x, y) __careful_cmp(min, x, y) | ^~~~~~~~~~~~~ drivers/vfio/vfio_iommu_type1.c:709:36: note: in expansion of macro 'min' 709 | nr_pages = min((long)batch->size, folio_nr_pages(folio) - | ^~~ -- In file included from : vfio_iommu_type1.c: In function 'vfio_pin_pages_remote': >> include/linux/compiler_types.h:542:45: error: call to '__compiletime_assert_499' declared with attribute error: min((long)batch->size, folio_nr_pages(folio) - (({ const struct page *__pg = (batch->pages[batch->offset]); int __sec = page_to_section(__pg); (unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec))); }) - folio_pfn(folio))) signedness error 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:523:25: note: in definition of macro '__compiletime_assert' 523 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:542:9: note: in expansion of macro '_compiletime_assert' 542 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/minmax.h:93:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \ | ^~~~~~~~~~~~~~~~ include/linux/minmax.h:98:9: note: in expansion of macro '__careful_cmp_once' 98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) | ^~~~~~~~~~~~~~~~~~ include/linux/minmax.h:105:25: note: in expansion of macro '__careful_cmp' 105 | #define min(x, y) __careful_cmp(min, x, y) | ^~~~~~~~~~~~~ vfio_iommu_type1.c:709:36: note: in expansion of macro 'min' 709 | nr_pages = min((long)batch->size, folio_nr_pages(folio) - | ^~~ vim +/__compiletime_assert_499 +542 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 528 eb5c2d4b45e3d2 Will Deacon 2020-07-21 529 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 530 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 531 eb5c2d4b45e3d2 Will Deacon 2020-07-21 532 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 533 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 534 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 535 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 536 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 537 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 538 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 539 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 540 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 541 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @542 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 543 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki