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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: eca631b8fe808748d7585059c4307005ca5c5820 commit: e9f12b5fff8ad0eefd0340273767d329ef65fd69 RISC-V: KVM: Implement SBI STA extension date: 10 months ago config: riscv-randconfig-r132-20241015 (https://download.01.org/0day-ci/archive/20241015/202410151618.iYFXm2Ip-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 14.1.0 reproduce: (https://download.01.org/0day-ci/archive/20241015/202410151618.iYFXm2Ip-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202410151618.iYFXm2Ip-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) arch/riscv/kvm/vcpu_sbi_sta.c:55:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const [noderef] __user *__p @@ got unsigned int [usertype] *[assigned] sequence_ptr @@ arch/riscv/kvm/vcpu_sbi_sta.c:55:13: sparse: expected unsigned int const [noderef] __user *__p arch/riscv/kvm/vcpu_sbi_sta.c:55:13: sparse: got unsigned int [usertype] *[assigned] sequence_ptr >> arch/riscv/kvm/vcpu_sbi_sta.c:58:20: sparse: sparse: cast to restricted __le32 arch/riscv/kvm/vcpu_sbi_sta.c:61:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int [noderef] __user *__p @@ got unsigned int [usertype] *[assigned] sequence_ptr @@ arch/riscv/kvm/vcpu_sbi_sta.c:61:13: sparse: expected unsigned int [noderef] __user *__p arch/riscv/kvm/vcpu_sbi_sta.c:61:13: sparse: got unsigned int [usertype] *[assigned] sequence_ptr arch/riscv/kvm/vcpu_sbi_sta.c:61:13: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int __val @@ got restricted __le32 [usertype] @@ arch/riscv/kvm/vcpu_sbi_sta.c:61:13: sparse: expected unsigned int __val arch/riscv/kvm/vcpu_sbi_sta.c:61:13: sparse: got restricted __le32 [usertype] arch/riscv/kvm/vcpu_sbi_sta.c:64:14: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned long long const [noderef] __user *__p @@ got unsigned long long [usertype] *[assigned] steal_ptr @@ arch/riscv/kvm/vcpu_sbi_sta.c:64:14: sparse: expected unsigned long long const [noderef] __user *__p arch/riscv/kvm/vcpu_sbi_sta.c:64:14: sparse: got unsigned long long [usertype] *[assigned] steal_ptr >> arch/riscv/kvm/vcpu_sbi_sta.c:65:25: sparse: sparse: cast to restricted __le64 arch/riscv/kvm/vcpu_sbi_sta.c:68:17: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned long long [noderef] __user *__p @@ got unsigned long long [usertype] *[assigned] steal_ptr @@ arch/riscv/kvm/vcpu_sbi_sta.c:68:17: sparse: expected unsigned long long [noderef] __user *__p arch/riscv/kvm/vcpu_sbi_sta.c:68:17: sparse: got unsigned long long [usertype] *[assigned] steal_ptr arch/riscv/kvm/vcpu_sbi_sta.c:68:17: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long long __val @@ got restricted __le64 [usertype] @@ arch/riscv/kvm/vcpu_sbi_sta.c:68:17: sparse: expected unsigned long long __val arch/riscv/kvm/vcpu_sbi_sta.c:68:17: sparse: got restricted __le64 [usertype] arch/riscv/kvm/vcpu_sbi_sta.c:72:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int [noderef] __user *__p @@ got unsigned int [usertype] *[assigned] sequence_ptr @@ arch/riscv/kvm/vcpu_sbi_sta.c:72:9: sparse: expected unsigned int [noderef] __user *__p arch/riscv/kvm/vcpu_sbi_sta.c:72:9: sparse: got unsigned int [usertype] *[assigned] sequence_ptr arch/riscv/kvm/vcpu_sbi_sta.c:72:9: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int __val @@ got restricted __le32 [usertype] @@ arch/riscv/kvm/vcpu_sbi_sta.c:72:9: sparse: expected unsigned int __val arch/riscv/kvm/vcpu_sbi_sta.c:72:9: sparse: got restricted __le32 [usertype] vim +58 arch/riscv/kvm/vcpu_sbi_sta.c 24 25 void kvm_riscv_vcpu_record_steal_time(struct kvm_vcpu *vcpu) 26 { 27 gpa_t shmem = vcpu->arch.sta.shmem; 28 u64 last_steal = vcpu->arch.sta.last_steal; 29 u32 *sequence_ptr, sequence; 30 u64 *steal_ptr, steal; 31 unsigned long hva; 32 gfn_t gfn; 33 34 if (shmem == INVALID_GPA) 35 return; 36 37 /* 38 * shmem is 64-byte aligned (see the enforcement in 39 * kvm_sbi_sta_steal_time_set_shmem()) and the size of sbi_sta_struct 40 * is 64 bytes, so we know all its offsets are in the same page. 41 */ 42 gfn = shmem >> PAGE_SHIFT; 43 hva = kvm_vcpu_gfn_to_hva(vcpu, gfn); 44 45 if (WARN_ON(kvm_is_error_hva(hva))) { 46 vcpu->arch.sta.shmem = INVALID_GPA; 47 return; 48 } 49 50 sequence_ptr = (u32 *)(hva + offset_in_page(shmem) + 51 offsetof(struct sbi_sta_struct, sequence)); 52 steal_ptr = (u64 *)(hva + offset_in_page(shmem) + 53 offsetof(struct sbi_sta_struct, steal)); 54 55 if (WARN_ON(get_user(sequence, sequence_ptr))) 56 return; 57 > 58 sequence = le32_to_cpu(sequence); 59 sequence += 1; 60 61 if (WARN_ON(put_user(cpu_to_le32(sequence), sequence_ptr))) 62 return; 63 64 if (!WARN_ON(get_user(steal, steal_ptr))) { > 65 steal = le64_to_cpu(steal); 66 vcpu->arch.sta.last_steal = READ_ONCE(current->sched_info.run_delay); 67 steal += vcpu->arch.sta.last_steal - last_steal; 68 WARN_ON(put_user(cpu_to_le64(steal), steal_ptr)); 69 } 70 71 sequence += 1; 72 WARN_ON(put_user(cpu_to_le32(sequence), sequence_ptr)); 73 74 kvm_vcpu_mark_page_dirty(vcpu, gfn); 75 } 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki