From: kernel test robot <lkp@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>,
iommu@lists.linux.dev, Joerg Roedel <joro@8bytes.org>,
linux-arm-kernel@lists.infradead.org,
Robin Murphy <robin.murphy@arm.com>,
Will Deacon <will@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Boris Brezillon <bbrezillon@kernel.org>,
dri-devel@lists.freedesktop.org,
Liviu Dudau <liviu.dudau@arm.com>,
patches@lists.linux.dev, Steven Price <steven.price@arm.com>
Subject: Re: [PATCH v3 2/3] iommu/io-pgtable-arm-v7s: Remove split on unmap behavior
Date: Wed, 6 Nov 2024 16:43:10 +0800 [thread overview]
Message-ID: <202411061634.3EtgZij8-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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
next prev parent reply other threads:[~2024-11-06 8:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-05 18:14 [PATCH v3 0/3] Remove split on unmap behavior Jason Gunthorpe
2024-11-05 18:14 ` [PATCH v3 1/3] iommu/io-pgtable-arm: " Jason Gunthorpe
2024-11-05 18:14 ` [PATCH v3 2/3] iommu/io-pgtable-arm-v7s: " Jason Gunthorpe
2024-11-06 8:43 ` kernel test robot [this message]
2024-11-05 18:14 ` [PATCH v3 3/3] iommu: Add a kdoc to iommu_unmap() Jason Gunthorpe
2024-11-06 15:53 ` [PATCH v3 0/3] Remove split on unmap behavior Will Deacon
2024-11-06 16:15 ` Jason Gunthorpe
2024-11-06 16:22 ` Will Deacon
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