lkml.org 
[lkml]   [2020]   [Jul]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectarch/x86/kvm/../../../virt/kvm/kvm_main.c:4326:17: sparse: struct kvm_vcpu Documentation Kbuild Makefile crypto include sound usr <asn:3> kvm_get_running_vcpus( ... )
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 <lkp@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-all@lists.01.org
[unhandled content-type:application/gzip]
\
 
 \ /
  Last update: 2020-07-02 11:20    [W:0.052 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site