tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: e7bc79687a034a22f94328123d5cf8c4d4436c35 commit: ad540a13eb8292fc92651b3bf281088a502a85f9 [14671/15255] virtcca feature: fix msi iova map config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241023/202410232346.tk5fQNpz-lkp@i...) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410232346.tk5fQNpz-lkp@i...)

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/202410232346.tk5fQNpz-lkp@intel.com/

All warnings (new ones prefixed by >>):

arch/x86/kvm/../../../virt/kvm/vfio.c:416: warning: Function parameter or member 'kv' not described in 'cvm_vfio_add_kvm_to_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:416: warning: Excess function parameter 'kvm' description in 'cvm_vfio_add_kvm_to_smmu_domain'

...

arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'dev' not described in 'find_arm_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Function parameter or member 'data' not described in 'find_arm_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Excess function parameter 'kvf' description in 'find_arm_smmu_domain' arch/x86/kvm/../../../virt/kvm/vfio.c:519: warning: Excess function parameter 'smmu_domain_group_list' description in 'find_arm_smmu_domain'

vim +519 arch/x86/kvm/../../../virt/kvm/vfio.c

c57a5a1f767336 yangxiangkai 2024-09-11 512 c57a5a1f767336 yangxiangkai 2024-09-11 513 /** c57a5a1f767336 yangxiangkai 2024-09-11 514 * find_arm_smmu_domain - Find smmu domain list from kvm vfio file c57a5a1f767336 yangxiangkai 2024-09-11 515 * @kvf: Kvm vfio file c57a5a1f767336 yangxiangkai 2024-09-11 516 * @smmu_domain_group_list: List of smmu domain group c57a5a1f767336 yangxiangkai 2024-09-11 517 */ ad540a13eb8292 yangxiangkai 2024-09-20 518 int find_arm_smmu_domain(struct device *dev, void *data) c57a5a1f767336 yangxiangkai 2024-09-11 @519 { c57a5a1f767336 yangxiangkai 2024-09-11 520 int ret = 0; ad540a13eb8292 yangxiangkai 2024-09-20 521 struct iommu_domain *domain = NULL; c57a5a1f767336 yangxiangkai 2024-09-11 522 struct arm_smmu_domain *arm_smmu_domain = NULL; c57a5a1f767336 yangxiangkai 2024-09-11 523 struct arm_smmu_domain *arm_smmu_domain_node = NULL; ad540a13eb8292 yangxiangkai 2024-09-20 524 struct list_head *smmu_domain_group_list = (struct list_head *)data; c57a5a1f767336 yangxiangkai 2024-09-11 525 ad540a13eb8292 yangxiangkai 2024-09-20 526 domain = iommu_get_domain_for_dev(dev); ad540a13eb8292 yangxiangkai 2024-09-20 527 arm_smmu_domain = to_smmu_domain(domain); c57a5a1f767336 yangxiangkai 2024-09-11 528 list_for_each_entry(arm_smmu_domain_node, c57a5a1f767336 yangxiangkai 2024-09-11 529 smmu_domain_group_list, node) { c57a5a1f767336 yangxiangkai 2024-09-11 530 if (arm_smmu_domain_node == arm_smmu_domain) { c57a5a1f767336 yangxiangkai 2024-09-11 531 ret = -1; c57a5a1f767336 yangxiangkai 2024-09-11 532 break; c57a5a1f767336 yangxiangkai 2024-09-11 533 } c57a5a1f767336 yangxiangkai 2024-09-11 534 } c57a5a1f767336 yangxiangkai 2024-09-11 535 if (!ret) c57a5a1f767336 yangxiangkai 2024-09-11 536 list_add_tail(&arm_smmu_domain->node, smmu_domain_group_list); ad540a13eb8292 yangxiangkai 2024-09-20 537 ad540a13eb8292 yangxiangkai 2024-09-20 538 return 1; c57a5a1f767336 yangxiangkai 2024-09-11 539 } c57a5a1f767336 yangxiangkai 2024-09-11 540

:::::: The code at line 519 was first introduced by commit :::::: c57a5a1f767336eff9721cb833c067657ade31de virtcca feature: activate confidential vm to set security device s_s2ttbr

:::::: TO: yangxiangkai yangxiangkai@huawei.com :::::: CC: yangxiangkai yangxiangkai@huawei.com