Re: [PATCH v3 2/2] iommu/sva: Remove mm parameter from SVA bind API

From: kernel test robot
Date: Fri Apr 16 2021 - 21:13:13 EST

Hi Jacob,

I love your patch! Yet something to improve:

[auto build test ERROR on e49d033bddf5b565044e2abe4241353959bc9120]

url: https://github.com/0day-ci/linux/commits/Jacob-Pan/Simplify-and-restrict-IOMMU-SVA-APIs/20210417-052451
base: e49d033bddf5b565044e2abe4241353959bc9120
config: arm64-randconfig-r022-20210416 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/6d85fee95bdcd7e53f10442ddc71d0c310d43367
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jacob-Pan/Simplify-and-restrict-IOMMU-SVA-APIs/20210417-052451
git checkout 6d85fee95bdcd7e53f10442ddc71d0c310d43367
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:2631:15: error: initialization of 'struct iommu_sva * (*)(struct device *, unsigned int)' from incompatible pointer type 'struct iommu_sva * (*)(struct device *, struct mm_struct *, unsigned int)' [-Werror=incompatible-pointer-types]
2631 | .sva_bind = arm_smmu_sva_bind,
| ^~~~~~~~~~~~~~~~~
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:2631:15: note: (near initialization for 'arm_smmu_ops.sva_bind')
cc1: some warnings being treated as errors


vim +2631 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

f534d98b9d2705 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-09-18 2608
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2609 static struct iommu_ops arm_smmu_ops = {
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2610 .capable = arm_smmu_capable,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2611 .domain_alloc = arm_smmu_domain_alloc,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2612 .domain_free = arm_smmu_domain_free,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2613 .attach_dev = arm_smmu_attach_dev,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2614 .map = arm_smmu_map,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2615 .unmap = arm_smmu_unmap,
07fdef34d2be68 drivers/iommu/arm-smmu-v3.c Zhen Lei 2018-09-20 2616 .flush_iotlb_all = arm_smmu_flush_iotlb_all,
32b124492bdf97 drivers/iommu/arm-smmu-v3.c Robin Murphy 2017-09-28 2617 .iotlb_sync = arm_smmu_iotlb_sync,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2618 .iova_to_phys = arm_smmu_iova_to_phys,
cefa0d55da3753 drivers/iommu/arm-smmu-v3.c Joerg Roedel 2020-04-29 2619 .probe_device = arm_smmu_probe_device,
cefa0d55da3753 drivers/iommu/arm-smmu-v3.c Joerg Roedel 2020-04-29 2620 .release_device = arm_smmu_release_device,
08d4ca2a672bab drivers/iommu/arm-smmu-v3.c Robin Murphy 2016-09-12 2621 .device_group = arm_smmu_device_group,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2622 .domain_get_attr = arm_smmu_domain_get_attr,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2623 .domain_set_attr = arm_smmu_domain_set_attr,
8f78515425daea drivers/iommu/arm-smmu-v3.c Robin Murphy 2016-09-12 2624 .of_xlate = arm_smmu_of_xlate,
50019f09a4baa0 drivers/iommu/arm-smmu-v3.c Eric Auger 2017-01-19 2625 .get_resv_regions = arm_smmu_get_resv_regions,
a66c5dc549d1e1 drivers/iommu/arm-smmu-v3.c Thierry Reding 2019-12-18 2626 .put_resv_regions = generic_iommu_put_resv_regions,
f534d98b9d2705 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-09-18 2627 .dev_has_feat = arm_smmu_dev_has_feature,
f534d98b9d2705 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-09-18 2628 .dev_feat_enabled = arm_smmu_dev_feature_enabled,
f534d98b9d2705 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-09-18 2629 .dev_enable_feat = arm_smmu_dev_enable_feature,
f534d98b9d2705 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-09-18 2630 .dev_disable_feat = arm_smmu_dev_disable_feature,
32784a9562fb05 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-11-06 @2631 .sva_bind = arm_smmu_sva_bind,
32784a9562fb05 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-11-06 2632 .sva_unbind = arm_smmu_sva_unbind,
32784a9562fb05 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c Jean-Philippe Brucker 2020-11-06 2633 .sva_get_pasid = arm_smmu_sva_get_pasid,
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2634 .pgsize_bitmap = -1UL, /* Restricted during device attach */
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2635 };
48ec83bcbcf509 drivers/iommu/arm-smmu-v3.c Will Deacon 2015-05-27 2636

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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