Hi Stanislav, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v7.1-rc1 next-20260430] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Stanislav-Kinsburskii/mshv-Add-dedicated-ioctl-for-GVA-to-GPA-translation/20260429-094326 base: linus/master patch link: https://lore.kernel.org/r/177741648871.626779.11067281081219290277.stgit%40skinsburskii-cloud-desktop.internal.cloudapp.net patch subject: [PATCH] mshv: Add dedicated ioctl for GVA to GPA translation config: x86_64-randconfig-123-20260430 (https://download.01.org/0day-ci/archive/20260502/[email protected]/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260502/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ sparse warnings: (new ones prefixed by >>) >> drivers/hv/mshv_root_main.c:958:30: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void [noderef] __user >> *to @@ got unsigned int enum hv_translate_gva_result_code *[addressable] >> result @@ drivers/hv/mshv_root_main.c:958:30: sparse: expected void [noderef] __user *to drivers/hv/mshv_root_main.c:958:30: sparse: got unsigned int enum hv_translate_gva_result_code *[addressable] result >> drivers/hv/mshv_root_main.c:961:30: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void [noderef] __user >> *to @@ got unsigned long long [usertype] *[addressable] gpa @@ drivers/hv/mshv_root_main.c:961:30: sparse: expected void [noderef] __user *to drivers/hv/mshv_root_main.c:961:30: sparse: got unsigned long long [usertype] *[addressable] gpa vim +958 drivers/hv/mshv_root_main.c 913 914 static long 915 mshv_vp_ioctl_translate_gva(struct mshv_vp *vp, void __user *user_args) 916 { 917 struct mshv_partition *partition = vp->vp_partition; 918 struct mshv_translate_gva args; 919 struct hv_translate_gva_result_ex result; 920 u64 gfn, gpa; 921 int ret; 922 923 if (copy_from_user(&args, user_args, sizeof(args))) 924 return -EFAULT; 925 926 do { 927 ret = hv_call_translate_virtual_address_ex(vp->vp_index, 928 partition->pt_id, 929 args.flags, args.gva, 930 &gfn, &result); 931 if (ret) 932 return ret; 933 934 if (mshv_gpa_fault_retryable(result.result_code)) { 935 struct mshv_mem_region *region; 936 bool faulted; 937 938 region = mshv_partition_region_by_gfn_get(partition, 939 gfn); 940 if (!region) 941 return -EFAULT; 942 943 faulted = false; 944 if (region->mreg_type == MSHV_REGION_TYPE_MEM_MOVABLE) 945 faulted = mshv_region_handle_gfn_fault(region, 946 gfn); 947 mshv_region_put(region); 948 949 if (!faulted) 950 return -EFAULT; 951 952 cond_resched(); 953 } 954 } while (mshv_gpa_fault_retryable(result.result_code)); 955 956 gpa = (gfn << PAGE_SHIFT) | (args.gva & ~PAGE_MASK); 957 > 958 if (copy_to_user(args.result, &result, sizeof(*args.result))) 959 return -EFAULT; 960 > 961 if (copy_to_user(args.gpa, &gpa, sizeof(*args.gpa))) 962 return -EFAULT; 963 964 return 0; 965 } 966 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
