Messages in this thread | | | Date | Sun, 27 Dec 2020 06:47:55 +0800 | From | kernel test robot <> | Subject | arch/arm64/kvm/hyp/nvhe/psci-relay.c:152:21: sparse: sparse: incorrect type in initializer (different address spaces) |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f838f8d2b694cf9d524dc4423e9dd2db13892f3f commit: cdf367192766ad11a03e8d5098556be43b8eb6b0 KVM: arm64: Intercept host's CPU_ON SMCs date: 3 weeks ago config: arm64-randconfig-s032-20201223 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-184-g1b896707-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdf367192766ad11a03e8d5098556be43b8eb6b0 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout cdf367192766ad11a03e8d5098556be43b8eb6b0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)" >> arch/arm64/kvm/hyp/nvhe/psci-relay.c:152:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct psci_boot_args * @@ arch/arm64/kvm/hyp/nvhe/psci-relay.c:152:21: sparse: expected void const [noderef] __percpu *__vpp_verify arch/arm64/kvm/hyp/nvhe/psci-relay.c:152:21: sparse: got struct psci_boot_args * >> arch/arm64/kvm/hyp/nvhe/psci-relay.c:153:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct kvm_nvhe_init_params * @@ arch/arm64/kvm/hyp/nvhe/psci-relay.c:153:23: sparse: expected void const [noderef] __percpu *__vpp_verify arch/arm64/kvm/hyp/nvhe/psci-relay.c:153:23: sparse: got struct kvm_nvhe_init_params * >> arch/arm64/kvm/hyp/nvhe/psci-relay.c:179:22: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct kvm_host_data * @@ arch/arm64/kvm/hyp/nvhe/psci-relay.c:179:22: sparse: expected void const [noderef] __percpu *__vpp_verify arch/arm64/kvm/hyp/nvhe/psci-relay.c:179:22: sparse: got struct kvm_host_data * arch/arm64/kvm/hyp/nvhe/psci-relay.c:180:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct psci_boot_args * @@ arch/arm64/kvm/hyp/nvhe/psci-relay.c:180:21: sparse: expected void const [noderef] __percpu *__vpp_verify arch/arm64/kvm/hyp/nvhe/psci-relay.c:180:21: sparse: got struct psci_boot_args *
vim +152 arch/arm64/kvm/hyp/nvhe/psci-relay.c
129 130 static int psci_cpu_on(u64 func_id, struct kvm_cpu_context *host_ctxt) 131 { 132 DECLARE_REG(u64, mpidr, host_ctxt, 1); 133 DECLARE_REG(unsigned long, pc, host_ctxt, 2); 134 DECLARE_REG(unsigned long, r0, host_ctxt, 3); 135 136 unsigned int cpu_id; 137 struct psci_boot_args *boot_args; 138 struct kvm_nvhe_init_params *init_params; 139 int ret; 140 141 /* 142 * Find the logical CPU ID for the given MPIDR. The search set is 143 * the set of CPUs that were online at the point of KVM initialization. 144 * Booting other CPUs is rejected because their cpufeatures were not 145 * checked against the finalized capabilities. This could be relaxed 146 * by doing the feature checks in hyp. 147 */ 148 cpu_id = find_cpu_id(mpidr); 149 if (cpu_id == INVALID_CPU_ID) 150 return PSCI_RET_INVALID_PARAMS; 151 > 152 boot_args = per_cpu_ptr(hyp_symbol_addr(cpu_on_args), cpu_id); > 153 init_params = per_cpu_ptr(hyp_symbol_addr(kvm_init_params), cpu_id); 154 155 /* Check if the target CPU is already being booted. */ 156 if (!try_acquire_boot_args(boot_args)) 157 return PSCI_RET_ALREADY_ON; 158 159 boot_args->pc = pc; 160 boot_args->r0 = r0; 161 wmb(); 162 163 ret = psci_call(func_id, mpidr, 164 __hyp_pa(hyp_symbol_addr(kvm_hyp_cpu_entry)), 165 __hyp_pa(init_params)); 166 167 /* If successful, the lock will be released by the target CPU. */ 168 if (ret != PSCI_RET_SUCCESS) 169 release_boot_args(boot_args); 170 171 return ret; 172 } 173 174 asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on) 175 { 176 struct psci_boot_args *boot_args; 177 struct kvm_cpu_context *host_ctxt; 178 > 179 host_ctxt = &this_cpu_ptr(hyp_symbol_addr(kvm_host_data))->host_ctxt; 180 boot_args = this_cpu_ptr(hyp_symbol_addr(cpu_on_args)); 181 182 cpu_reg(host_ctxt, 0) = boot_args->r0; 183 write_sysreg_el2(boot_args->pc, SYS_ELR); 184 release_boot_args(boot_args); 185 186 __host_enter(host_ctxt); 187 } 188
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org [unhandled content-type:application/gzip] | |