tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 9b85bcf0e6357841885264f42859bec05c9073f4 commit: c5161d7e11a7e30755b2ec55aaebfd500193cbbc [2454/2454] virtCCA supports SR-IOV in CoDA scenarios. config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20250704/202507040646.2QNfCtsv-lkp@i...) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250704/202507040646.2QNfCtsv-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/202507040646.2QNfCtsv-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/coda/coda.c:264: warning: Function parameter or member 's_smmu_id' not described in 'is_cc_vmid' drivers/coda/coda.c:660: warning: Function parameter or member 'pci_dev' not described in 'virtcca_create_ste_entry' drivers/coda/coda.c:660: warning: Excess function parameter 'smmu' description in 'virtcca_create_ste_entry' drivers/coda/coda.c:660: warning: Excess function parameter 'master' description in 'virtcca_create_ste_entry' drivers/coda/coda.c:660: warning: Excess function parameter 'sid' description in 'virtcca_create_ste_entry' -- drivers/iommu/arm/arm-smmu-v3/arm-s-smmu-v3.c:56: warning: Function parameter or member 's_smmu_id' not described in 'virtcca_smmu_cmdq_need_forward'

vim +264 drivers/coda/coda.c ad540a13eb8292 yangxiangkai 2024-09-20 254 ad540a13eb8292 yangxiangkai 2024-09-20 255 /** c5161d7e11a7e3 yxk 2025-05-07 256 * is_cc_vmid - Whether the VM is confidential VM c5161d7e11a7e3 yxk 2025-05-07 257 * @vmid: VM id ad540a13eb8292 yangxiangkai 2024-09-20 258 * ad540a13eb8292 yangxiangkai 2024-09-20 259 * Returns: c5161d7e11a7e3 yxk 2025-05-07 260 * %true if the VM is confidential c5161d7e11a7e3 yxk 2025-05-07 261 * %false if the VM is not confidential ad540a13eb8292 yangxiangkai 2024-09-20 262 */ c5161d7e11a7e3 yxk 2025-05-07 263 bool is_cc_vmid(u32 vmid, u64 s_smmu_id) ad540a13eb8292 yangxiangkai 2024-09-20 @264 { ad540a13eb8292 yangxiangkai 2024-09-20 265 int bkt; c5161d7e11a7e3 yxk 2025-05-07 266 struct coda_dev_hash_node *obj; c5161d7e11a7e3 yxk 2025-05-07 267 bool secure = false; ad540a13eb8292 yangxiangkai 2024-09-20 268 c5161d7e11a7e3 yxk 2025-05-07 269 spin_lock(&coda_dev_lock); c5161d7e11a7e3 yxk 2025-05-07 270 hash_for_each(g_coda_dev_htable, bkt, obj, node) { c5161d7e11a7e3 yxk 2025-05-07 271 if (vmid > 0 && obj->vmid == vmid && obj->s_smmu_id == s_smmu_id) { c5161d7e11a7e3 yxk 2025-05-07 272 secure = obj->secure; c5161d7e11a7e3 yxk 2025-05-07 273 spin_unlock(&coda_dev_lock); c5161d7e11a7e3 yxk 2025-05-07 274 return secure; c5161d7e11a7e3 yxk 2025-05-07 275 } ad540a13eb8292 yangxiangkai 2024-09-20 276 } ad540a13eb8292 yangxiangkai 2024-09-20 277 c5161d7e11a7e3 yxk 2025-05-07 278 spin_unlock(&coda_dev_lock); c5161d7e11a7e3 yxk 2025-05-07 279 return secure; ad540a13eb8292 yangxiangkai 2024-09-20 280 } ad540a13eb8292 yangxiangkai 2024-09-20 281 EXPORT_SYMBOL_GPL(is_cc_vmid); ad540a13eb8292 yangxiangkai 2024-09-20 282 :::::: The code at line 264 was first introduced by commit :::::: ad540a13eb8292fc92651b3bf281088a502a85f9 virtcca feature: fix msi iova map :::::: TO: yangxiangkai <yangxiangkai@huawei.com> :::::: CC: yangxiangkai <yangxiangkai@huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki