From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 E99982F43; Tue, 27 May 2025 00:42:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748306526; cv=none; b=nobMTip0zL4rKa0n+OGHTPOImYAidyEDB01ARMRA8MYkLsIKeYdm+wRgc9m2lIFOcxlcZ/abj1bsipTa3uDAK17BoYxAh406YfxDJ3ufCOySYZoQKSLRNmA9cfLbLFdwULl9hF5udLRAoJLOu3W9iNg3NZpvsFq+IwDVINZXEKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748306526; c=relaxed/simple; bh=b7WCTdDzsY3ib50iL9lMmkLXGXoRC2TsAT18weiNeMI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iVqaUvf/muFDaNOvlBBseF2ZbSrQ211NjMKMuZUi1fWOBju+kav0dKA3Jlq08YnWV+qSdksewGtOrNm6VGuuU2xKOPlEywLWY/zH47FK3INJPn3PvFplFr+/T8J9XEmk/JyRL2P4x9axbzfIzgJ3tCUwrZfg3emFVj6cOHm9sU0= 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=aOuAdOtS; arc=none smtp.client-ip=198.175.65.19 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="aOuAdOtS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1748306525; x=1779842525; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=b7WCTdDzsY3ib50iL9lMmkLXGXoRC2TsAT18weiNeMI=; b=aOuAdOtSg0GlpjXGXelG/tzC6x/hDbIn9s4rnfquLaZHLDSbtbRUwn3W wOArn8qLHkiecnYwxg6dLVTxt9t4nqSiqOqhw/DEQnTVX48OYr6wQxkUD zoXgZuS0KW6sQcnLTzUj8QJLl+XtfM9ttKDOrTZ36VeA8CuNHUqXXC5KG iIA3IHcrBJ13JAeDp2lAjeztW7Nlg7gR1PUq0mm7aOX9vKhsgojwc/ita PxhGkH1l2hewI9pzVI+GuKWwfPRPJQMpg4RzDqNF966sDdX3NkqupmAlY FkzMLYqlQWkLg6klk5i+zsKeev+HopS3ZpT6G8eNOWN6s2yCoI3HciOxN Q==; X-CSE-ConnectionGUID: nLM45KmCSMSoJ/oHsR/CXw== X-CSE-MsgGUID: fhrEauUzQQqWjcrej5WuKg== X-IronPort-AV: E=McAfee;i="6700,10204,11445"; a="50163171" X-IronPort-AV: E=Sophos;i="6.15,317,1739865600"; d="scan'208";a="50163171" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2025 17:42:04 -0700 X-CSE-ConnectionGUID: eTTSD+LqToKvDzQ0EUascQ== X-CSE-MsgGUID: 0VpP+OZISlmWiR6xJdGwjw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,317,1739865600"; d="scan'208";a="147454221" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 26 May 2025 17:42:00 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uJiOE-000Slo-0w; Tue, 27 May 2025 00:41:58 +0000 Date: Tue, 27 May 2025 08:41:21 +0800 From: kernel test robot To: =?utf-8?Q?Micha=C5=82?= Winiarski , linux-pci@vger.kernel.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Bjorn Helgaas , Christian =?iso-8859-1?Q?K=F6nig?= , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Ilpo =?iso-8859-1?Q?J=E4rvinen?= Cc: oe-kbuild-all@lists.linux.dev, Rodrigo Vivi , Michal Wajdeczko , Lucas De Marchi , Thomas =?iso-8859-1?Q?Hellstr=F6m?= , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Matt Roper , =?utf-8?Q?Micha=C5=82?= Winiarski Subject: Re: [PATCH v8 5/6] PCI: Allow drivers to control VF BAR size Message-ID: <202505270842.rZMzTQh6-lkp@intel.com> References: <20250526214257.3481760-6-michal.winiarski@intel.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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250526214257.3481760-6-michal.winiarski@intel.com> Hi Michał, kernel test robot noticed the following build errors: [auto build test ERROR on pci/next] [also build test ERROR on pci/for-linus drm-xe/drm-xe-next drm-exynos/exynos-drm-next linus/master v6.15 next-20250526] [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/Micha-Winiarski/PCI-IOV-Restore-VF-resizable-BAR-state-after-reset/20250527-054652 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20250526214257.3481760-6-michal.winiarski%40intel.com patch subject: [PATCH v8 5/6] PCI: Allow drivers to control VF BAR size config: csky-randconfig-002-20250527 (https://download.01.org/0day-ci/archive/20250527/202505270842.rZMzTQh6-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250527/202505270842.rZMzTQh6-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/202505270842.rZMzTQh6-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from ./arch/csky/include/generated/asm/div64.h:1, from include/linux/math.h:6, from include/linux/kernel.h:27, from include/linux/cpumask.h:11, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/mutex.h:17, from include/linux/kernfs.h:11, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/pci.h:35, from drivers/pci/iov.c:13: drivers/pci/iov.c: In function 'pci_iov_vf_bar_get_sizes': include/asm-generic/div64.h:183:35: warning: comparison of distinct pointer types lacks a cast 183 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ^~ drivers/pci/iov.c:1383:9: note: in expansion of macro 'do_div' 1383 | do_div(vf_len, num_vfs); | ^~~~~~ In file included from include/linux/build_bug.h:5, from include/linux/bitfield.h:10, from drivers/pci/iov.c:10: include/asm-generic/div64.h:195:32: warning: right shift count >= width of type [-Wshift-count-overflow] 195 | } else if (likely(((n) >> 32) == 0)) { \ | ^~ include/linux/compiler.h:76:45: note: in definition of macro 'likely' 76 | # define likely(x) __builtin_expect(!!(x), 1) | ^ drivers/pci/iov.c:1383:9: note: in expansion of macro 'do_div' 1383 | do_div(vf_len, num_vfs); | ^~~~~~ >> include/asm-generic/div64.h:199:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types] 199 | __rem = __div64_32(&(n), __base); \ | ^~~~ | | | resource_size_t * {aka unsigned int *} drivers/pci/iov.c:1383:9: note: in expansion of macro 'do_div' 1383 | do_div(vf_len, num_vfs); | ^~~~~~ include/asm-generic/div64.h:174:38: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'resource_size_t *' {aka 'unsigned int *'} 174 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); | ~~~~~~~~~~^~~~~~~~ cc1: some warnings being treated as errors vim +/__div64_32 +199 include/asm-generic/div64.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 176 ^1da177e4c3f41 Linus Torvalds 2005-04-16 177 /* The unnecessary pointer compare is there ^1da177e4c3f41 Linus Torvalds 2005-04-16 178 * to check for type safety (n must be 64bit) ^1da177e4c3f41 Linus Torvalds 2005-04-16 179 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 180 # define do_div(n,base) ({ \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 181 uint32_t __base = (base); \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 182 uint32_t __rem; \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 183 (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 184 if (__builtin_constant_p(__base) && \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 185 is_power_of_2(__base)) { \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 186 __rem = (n) & (__base - 1); \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 187 (n) >>= ilog2(__base); \ c747ce4706190e Geert Uytterhoeven 2021-08-11 188 } else if (__builtin_constant_p(__base) && \ 461a5e51060c93 Nicolas Pitre 2015-10-30 189 __base != 0) { \ 461a5e51060c93 Nicolas Pitre 2015-10-30 190 uint32_t __res_lo, __n_lo = (n); \ 461a5e51060c93 Nicolas Pitre 2015-10-30 191 (n) = __div64_const32(n, __base); \ 461a5e51060c93 Nicolas Pitre 2015-10-30 192 /* the remainder can be computed with 32-bit regs */ \ 461a5e51060c93 Nicolas Pitre 2015-10-30 193 __res_lo = (n); \ 461a5e51060c93 Nicolas Pitre 2015-10-30 194 __rem = __n_lo - __res_lo * __base; \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 195 } else if (likely(((n) >> 32) == 0)) { \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 196 __rem = (uint32_t)(n) % __base; \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 197 (n) = (uint32_t)(n) / __base; \ c747ce4706190e Geert Uytterhoeven 2021-08-11 198 } else { \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 @199 __rem = __div64_32(&(n), __base); \ c747ce4706190e Geert Uytterhoeven 2021-08-11 200 } \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 201 __rem; \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 202 }) ^1da177e4c3f41 Linus Torvalds 2005-04-16 203 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki