Messages in this thread | | | Date | Fri, 12 Nov 2021 18:33:50 +0800 | From | kernel test robot <> | Subject | arch/x86/hyperv/hv_init.c:366:21: sparse: sparse: incorrect type in assignment (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5833291ab6de9c3e2374336b51c814e515e8f3a5 commit: 99a0f46af6a7715147e81c558d558021aad4e207 x86/hyperv: extract partition ID from Microsoft Hypervisor if necessary date: 9 months ago config: i386-randconfig-s002-20211109 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=99a0f46af6a7715147e81c558d558021aad4e207 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 99a0f46af6a7715147e81c558d558021aad4e207 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
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/x86/hyperv/hv_init.c:90:30: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got void [noderef] __percpu ** @@ arch/x86/hyperv/hv_init.c:90:30: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/hyperv/hv_init.c:90:30: sparse: got void [noderef] __percpu ** arch/x86/hyperv/hv_init.c:95:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got void [noderef] __percpu ** @@ arch/x86/hyperv/hv_init.c:95:39: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/hyperv/hv_init.c:95:39: sparse: got void [noderef] __percpu ** arch/x86/hyperv/hv_init.c:227:30: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got void [noderef] __percpu ** @@ arch/x86/hyperv/hv_init.c:227:30: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/hyperv/hv_init.c:227:30: sparse: got void [noderef] __percpu ** arch/x86/hyperv/hv_init.c:234:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got void [noderef] __percpu ** @@ arch/x86/hyperv/hv_init.c:234:39: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/hyperv/hv_init.c:234:39: sparse: got void [noderef] __percpu ** arch/x86/hyperv/hv_init.c:366:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got void [noderef] __percpu ** @@ arch/x86/hyperv/hv_init.c:366:24: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/hyperv/hv_init.c:366:24: sparse: got void [noderef] __percpu ** >> arch/x86/hyperv/hv_init.c:366:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct hv_get_partition_id *output_page @@ got void [noderef] __percpu * @@ arch/x86/hyperv/hv_init.c:366:21: sparse: expected struct hv_get_partition_id *output_page arch/x86/hyperv/hv_init.c:366:21: sparse: got void [noderef] __percpu * arch/x86/hyperv/hv_init.c:407:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __percpu **extern [addressable] [toplevel] hyperv_pcpu_input_arg @@ got void *[noderef] __percpu * @@ arch/x86/hyperv/hv_init.c:407:31: sparse: expected void [noderef] __percpu **extern [addressable] [toplevel] hyperv_pcpu_input_arg arch/x86/hyperv/hv_init.c:407:31: sparse: got void *[noderef] __percpu * arch/x86/hyperv/hv_init.c:413:40: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __percpu **extern [addressable] [toplevel] hyperv_pcpu_output_arg @@ got void *[noderef] __percpu * @@ arch/x86/hyperv/hv_init.c:413:40: sparse: expected void [noderef] __percpu **extern [addressable] [toplevel] hyperv_pcpu_output_arg arch/x86/hyperv/hv_init.c:413:40: sparse: got void *[noderef] __percpu *
vim +366 arch/x86/hyperv/hv_init.c
358 359 static void __init hv_get_partition_id(void) 360 { 361 struct hv_get_partition_id *output_page; 362 u64 status; 363 unsigned long flags; 364 365 local_irq_save(flags); > 366 output_page = *this_cpu_ptr(hyperv_pcpu_output_arg); 367 status = hv_do_hypercall(HVCALL_GET_PARTITION_ID, NULL, output_page); 368 if ((status & HV_HYPERCALL_RESULT_MASK) != HV_STATUS_SUCCESS) { 369 /* No point in proceeding if this failed */ 370 pr_err("Failed to get partition ID: %lld\n", status); 371 BUG(); 372 } 373 hv_current_partition_id = output_page->partition_id; 374 local_irq_restore(flags); 375 } 376
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