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X-CSE-ConnectionGUID: NGcJJ8Z+SharKQGdp4TkMA== X-CSE-MsgGUID: /RXjRShLQLyhL3IQjQ1xsA== X-IronPort-AV: E=McAfee;i="6700,10204,11247"; a="30889103" X-IronPort-AV: E=Sophos;i="6.11,262,1725346800"; d="scan'208";a="30889103" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2024 00:43:21 -0800 X-CSE-ConnectionGUID: FQSFjxl3TY2wyKbOXhKltw== X-CSE-MsgGUID: IM4k9HfgRNW2rIV3li9lkA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,262,1725346800"; d="scan'208";a="115233886" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 06 Nov 2024 00:43:18 -0800 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t8bdD-000n6B-37; Wed, 06 Nov 2024 08:43:15 +0000 Date: Wed, 6 Nov 2024 16:43:10 +0800 From: kernel test robot To: Jason Gunthorpe , iommu@lists.linux.dev, Joerg Roedel , linux-arm-kernel@lists.infradead.org, Robin Murphy , Will Deacon Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Boris Brezillon , dri-devel@lists.freedesktop.org, Liviu Dudau , patches@lists.linux.dev, Steven Price Subject: Re: [PATCH v3 2/3] iommu/io-pgtable-arm-v7s: Remove split on unmap behavior Message-ID: <202411061634.3EtgZij8-lkp@intel.com> References: <2-v3-b3a5b5937f56+7bb-arm_no_split_jgg@nvidia.com> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2-v3-b3a5b5937f56+7bb-arm_no_split_jgg@nvidia.com> Hi Jason, kernel test robot noticed the following build warnings: [auto build test WARNING on 8e929cb546ee42c9a61d24fae60605e9e3192354] url: https://github.com/intel-lab-lkp/linux/commits/Jason-Gunthorpe/iommu-io-pgtable-arm-Remove-split-on-unmap-behavior/20241106-021511 base: 8e929cb546ee42c9a61d24fae60605e9e3192354 patch link: https://lore.kernel.org/r/2-v3-b3a5b5937f56%2B7bb-arm_no_split_jgg%40nvidia.com patch subject: [PATCH v3 2/3] iommu/io-pgtable-arm-v7s: Remove split on unmap behavior config: arm-randconfig-004-20241106 (https://download.01.org/0day-ci/archive/20241106/202411061634.3EtgZij8-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241106/202411061634.3EtgZij8-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/202411061634.3EtgZij8-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/io-pgtable-arm-v7s.c:823:18: warning: variable 'loopnr' set but not used [-Wunused-but-set-variable] 823 | unsigned int i, loopnr = 0; | ^ 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [y]: - RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y] vim +/loopnr +823 drivers/iommu/io-pgtable-arm-v7s.c e5fc9753b1a831 Robin Murphy 2016-01-26 810 e5fc9753b1a831 Robin Murphy 2016-01-26 811 static int __init arm_v7s_do_selftests(void) e5fc9753b1a831 Robin Murphy 2016-01-26 812 { e5fc9753b1a831 Robin Murphy 2016-01-26 813 struct io_pgtable_ops *ops; e5fc9753b1a831 Robin Murphy 2016-01-26 814 struct io_pgtable_cfg cfg = { e5fc9753b1a831 Robin Murphy 2016-01-26 815 .tlb = &dummy_tlb_ops, e5fc9753b1a831 Robin Murphy 2016-01-26 816 .oas = 32, e5fc9753b1a831 Robin Murphy 2016-01-26 817 .ias = 32, 4f41845b340783 Will Deacon 2019-06-25 818 .coherent_walk = true, 4f41845b340783 Will Deacon 2019-06-25 819 .quirks = IO_PGTABLE_QUIRK_ARM_NS, e5fc9753b1a831 Robin Murphy 2016-01-26 820 .pgsize_bitmap = SZ_4K | SZ_64K | SZ_1M | SZ_16M, e5fc9753b1a831 Robin Murphy 2016-01-26 821 }; 76b8c2705cdd26 Jason Gunthorpe 2024-11-05 822 unsigned int iova, size; e5fc9753b1a831 Robin Murphy 2016-01-26 @823 unsigned int i, loopnr = 0; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki