tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: cd77006e01b3198c75fb7819b3d0ff89709539bb commit: 7495e22bb165e7030bae4d9c6e84addb5ea17b29 KVM: Move running VCPU from ARM to common code date: 5 months ago config: x86_64-randconfig-s031-20200701 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout 7495e22bb165e7030bae4d9c6e84addb5ea17b29 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
arch/x86/kvm/../../../virt/kvm/kvm_main.c:3023:57: sparse: sparse: cast
removes address space '<asn:1>' of expression
arch/x86/kvm/../../../virt/kvm/kvm_main.c:3023:57: sparse: sparse: incorrect
type in argument 2 (different address spaces) @@ expected struct
compat_sigset_t const [noderef] [usertype] <asn:1> *compat @@ got void * @@
arch/x86/kvm/../../../virt/kvm/kvm_main.c:3023:57: sparse: expected
struct compat_sigset_t const [noderef] [usertype] <asn:1> *compat
arch/x86/kvm/../../../virt/kvm/kvm_main.c:3023:57: sparse: got void *
arch/x86/kvm/../../../virt/kvm/kvm_main.c:4326:17: sparse: sparse: symbol
'kvm_get_running_vcpus' redeclared with different type (different address
spaces):
>> arch/x86/kvm/../../../virt/kvm/kvm_main.c:4326:17: sparse: struct
>> kvm_vcpu *[noderef] <asn:3> *extern [addressable] [toplevel]
>> kvm_get_running_vcpus( ... )
include/linux/kvm_host.h:1339:26: sparse: note: previously declared as:
include/linux/kvm_host.h:1339:26: sparse: struct kvm_vcpu [noderef]
<asn:3> **extern [addressable] [toplevel] kvm_get_running_vcpus( ... )
vim +4326 arch/x86/kvm/../../../virt/kvm/kvm_main.c
4322
4323 /**
4324 * kvm_get_running_vcpus - get the per-CPU array of currently running
vcpus.
4325 */
> 4326 struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void)
4327 {
4328 return &kvm_running_vcpu;
4329 }
4330
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
