linux-kernel - Re: [PATCH v3 07/13] iommu/arm-smmu-v3: Keep track of attached ssids

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Date:   Tue, 20 Jun 2023 18:21:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michael Shavit <mshavit@...gle.com>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>
Cc:     oe-kbuild-all@...ts.linux.dev, Michael Shavit <mshavit@...gle.com>,
        jean-philippe@...aro.org, nicolinc@...dia.com, jgg@...dia.com,
        baolu.lu@...ux.intel.com, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 07/13] iommu/arm-smmu-v3: Keep track of attached ssids

Hi Michael,

kernel test robot noticed the following build warnings:

[auto build test WARNING on b6dad5178ceaf23f369c3711062ce1f2afc33644]

url:    https://github.com/intel-lab-lkp/linux/commits/Michael-Shavit/iommu-arm-smmu-v3-Move-ctx_desc-out-of-s1_cfg/20230614-234725
base:   b6dad5178ceaf23f369c3711062ce1f2afc33644
patch link:    https://lore.kernel.org/r/20230614154304.2860121-8-mshavit%40google.com
patch subject: [PATCH v3 07/13] iommu/arm-smmu-v3: Keep track of attached ssids
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20230620/202306201817.Cn7Xxzds-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230620/202306201817.Cn7Xxzds-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306201817.Cn7Xxzds-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:1863:5: warning: no previous prototype for 'arm_smmu_atc_inv_domain' [-Wmissing-prototypes]
    1863 | int arm_smmu_atc_inv_domain(struct arm_smmu_domain *smmu_domain,
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c: In function 'arm_smmu_attach_dev':
   drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:2456:31: error: 'struct arm_smmu_master' has no member named 'domain'
    2456 |                         master->domain = NULL;
         |                               ^~


vim +/arm_smmu_atc_inv_domain +1863 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

  1862	
> 1863	int arm_smmu_atc_inv_domain(struct arm_smmu_domain *smmu_domain,
  1864				    unsigned long iova, size_t size)
  1865	{
  1866		return arm_smmu_atc_inv_domain_ssid(smmu_domain, 0, iova, size);
  1867	}
  1868	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki