From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 913A51FCF41; Thu, 7 Aug 2025 17:56:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754589366; cv=none; b=em6tKknu2T+OHgrfXH4H0v5G6psDeOPNn9RQiOY+j5fLB0P0Yfq7W7LlQ53vGpx7ywZPkQ1zxMOrC5muREVxu4B02TZ0SN+0x1YtzX1SfAAUbC5RZBUquRCVJoAMWH3Nf9Z2713Bls1CrAFGh/rEmyjgQMwVsO9SKr7kZ50Whzk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754589366; c=relaxed/simple; bh=TAXqubzsBEIA8arpECTj6N2IP2QqQQyNT2bLiy8zTkI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sKvC14hl/6ZuMuUtZjZ17kqBrQTUFvzyzh0sLD4X6ZYBxaCtSXiFkvgTA1mw7LgPieYzJ3i1Y04G48uJanOs4kmUeH92tDOI6gjFJVGVP/Y6zCC5qsFw5UkZJ71LMRWktBdeBp6WgEVR6wQyh3gL1CTpfnXfYNRereUqiBsmkeQ= 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=O6M8D/Vf; arc=none smtp.client-ip=192.198.163.18 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="O6M8D/Vf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754589365; x=1786125365; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=TAXqubzsBEIA8arpECTj6N2IP2QqQQyNT2bLiy8zTkI=; b=O6M8D/VfNFZLPPDqqj/mL4eThO9xG4HxF+fbpyANd3f4ybMP/ryCMWeO 8ArMb1vF9kSOciwhEurUnKIsnjSYCBzWZWMHIg+Nffqc/3u9VrOmuBRE1 t1DnKISsH7NEn/PW2YwVDx7p852m8driMuiVSiNpfR3uL7fqcdOwbG2Gi yHdfIUpEDftcsulm6oEMnfXk9Ice94FmKtUp5Pwtv9zFsqNkDUztY5KF7 HnJvHXyvj7oWbvEe+Xftiy0jX2bDpmUR5f3ThS+eK41z0q3tfDuubigKj 23uqgG8xjKpEGeDmd+ZoF2R9hkgw2slCuAL0b8kMVpW4kY1ZHtJPVXNVB g==; X-CSE-ConnectionGUID: emvnQ27pQCOpyWYoqq2RIw== X-CSE-MsgGUID: oBJDQWr8SZykkZKjyYQ6xQ== X-IronPort-AV: E=McAfee;i="6800,10657,11514"; a="56141672" X-IronPort-AV: E=Sophos;i="6.17,271,1747724400"; d="scan'208";a="56141672" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Aug 2025 10:56:04 -0700 X-CSE-ConnectionGUID: sgd3Ks+xRWWyEHltsJTu+w== X-CSE-MsgGUID: 3Dd3cOroRKuj9Wq4M4u96A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,271,1747724400"; d="scan'208";a="165139305" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by orviesa007.jf.intel.com with ESMTP; 07 Aug 2025 10:56:00 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1uk4qG-00034I-2D; Thu, 07 Aug 2025 17:55:55 +0000 Date: Fri, 8 Aug 2025 01:55:35 +0800 From: kernel test robot To: Shyam Saini , iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, virtualization@lists.linux.dev Cc: oe-kbuild-all@lists.linux.dev, jgg@ziepe.ca, will@kernel.org, jacob.pan@linux.microsoft.com, eric.auger@redhat.com, code@tyhicks.com, eahariha@linux.microsoft.com, vijayb@linux.microsoft.com, bboscaccy@linux.microsoft.com Subject: Re: [PATCH v3 3/3] arm-smmu: select suitable MSI IOVA Message-ID: <202508080104.M1bnmiMo-lkp@intel.com> References: <20250806215539.1240561-4-shyamsaini@linux.microsoft.com> Precedence: bulk X-Mailing-List: iommu@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: <20250806215539.1240561-4-shyamsaini@linux.microsoft.com> Hi Shyam, kernel test robot noticed the following build errors: [auto build test ERROR on soc/for-next] [also build test ERROR on linus/master v6.16 next-20250807] [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/Shyam-Saini/arm-smmu-move-MSI_IOVA-macro-definitions/20250807-055741 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20250806215539.1240561-4-shyamsaini%40linux.microsoft.com patch subject: [PATCH v3 3/3] arm-smmu: select suitable MSI IOVA config: um-randconfig-r071-20250807 (https://download.01.org/0day-ci/archive/20250808/202508080104.M1bnmiMo-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 7b8dea265e72c3037b6b1e54d5ab51b7e14f328b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250808/202508080104.M1bnmiMo-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/202508080104.M1bnmiMo-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/iommu/arm/arm-smmu/arm-smmu.c:24: In file included from include/linux/dma-mapping.h:8: In file included from include/linux/scatterlist.h:9: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ drivers/iommu/arm/arm-smmu/arm-smmu.c:1602:35: error: use of undeclared identifier 'MSI_IOVA_BASE' 1602 | static const u64 msi_bases[] = { MSI_IOVA_BASE, MSI_IOVA_BASE2 }; | ^~~~~~~~~~~~~ >> drivers/iommu/arm/arm-smmu/arm-smmu.c:1602:50: error: use of undeclared identifier 'MSI_IOVA_BASE2' 1602 | static const u64 msi_bases[] = { MSI_IOVA_BASE, MSI_IOVA_BASE2 }; | ^~~~~~~~~~~~~~ >> drivers/iommu/arm/arm-smmu/arm-smmu.c:1610:23: error: invalid application of 'sizeof' to an incomplete type 'const u64[]' (aka 'const unsigned long long[]') 1610 | for (int i = 0; i != ARRAY_SIZE(msi_bases); i++) { | ^~~~~~~~~~~~~~~~~~~~~ include/linux/array_size.h:11:32: note: expanded from macro 'ARRAY_SIZE' 11 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) | ^~~~~ drivers/iommu/arm/arm-smmu/arm-smmu.c:1613:44: error: use of undeclared identifier 'MSI_IOVA_LENGTH' 1613 | if (resv_region_intersects(msi_bases[i], MSI_IOVA_LENGTH, head)) | ^~~~~~~~~~~~~~~ drivers/iommu/arm/arm-smmu/arm-smmu.c:1616:50: error: use of undeclared identifier 'MSI_IOVA_LENGTH' 1616 | region = iommu_alloc_resv_region(msi_bases[i], MSI_IOVA_LENGTH, prot, | ^~~~~~~~~~~~~~~ 1 warning and 5 errors generated. vim +/MSI_IOVA_BASE2 +1602 drivers/iommu/arm/arm-smmu/arm-smmu.c 1596 1597 static void arm_smmu_get_resv_regions(struct device *dev, 1598 struct list_head *head) 1599 { 1600 int prot = IOMMU_WRITE | IOMMU_NOEXEC | IOMMU_MMIO; 1601 > 1602 static const u64 msi_bases[] = { MSI_IOVA_BASE, MSI_IOVA_BASE2 }; 1603 1604 iommu_dma_get_resv_regions(dev, head); 1605 1606 /* 1607 * Use the first msi_base that does not intersect with a platform 1608 * reserved region. The SW MSI base selection is entirely arbitrary. 1609 */ > 1610 for (int i = 0; i != ARRAY_SIZE(msi_bases); i++) { 1611 struct iommu_resv_region *region; 1612 1613 if (resv_region_intersects(msi_bases[i], MSI_IOVA_LENGTH, head)) 1614 continue; 1615 1616 region = iommu_alloc_resv_region(msi_bases[i], MSI_IOVA_LENGTH, prot, 1617 IOMMU_RESV_SW_MSI, GFP_KERNEL); 1618 if (!region) 1619 return; 1620 1621 list_add_tail(®ion->list, head); 1622 return; 1623 } 1624 } 1625 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki