[PATCH v1 4/4] KVM: PPC: Book3S HV: migrate hot plugged memory

kbuild test robot lkp at intel.com
Mon Jun 1 14:35:42 AEST 2020


Hi Ram,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on powerpc/next]
[also build test WARNING on v5.7]
[cannot apply to next-20200529]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Ram-Pai/Migrate-non-migrated-pages-of-a-SVM/20200601-034649
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-rhel-kconfig (attached as .config)
compiler: powerpc64le-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp at intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

arch/powerpc/kvm/book3s_hv.c:3516:5: warning: no previous prototype for 'kvmhv_p9_guest_entry' [-Wmissing-prototypes]
3516 | int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
|     ^~~~~~~~~~~~~~~~~~~~
In file included from arch/powerpc/kvm/book3s_hv.c:75:
>> arch/powerpc/include/asm/kvm_book3s_uvmem.h:89:12: warning: 'uv_migrate_mem_slot' used but never defined
89 | static int uv_migrate_mem_slot(struct kvm *kvm,
|            ^~~~~~~~~~~~~~~~~~~

vim +/uv_migrate_mem_slot +89 arch/powerpc/include/asm/kvm_book3s_uvmem.h

    83	
    84	static inline void
    85	kvmppc_uvmem_drop_pages(const struct kvm_memory_slot *free,
    86				struct kvm *kvm, bool skip_page_out,
    87				bool purge_gfn) { }
    88	
  > 89	static int uv_migrate_mem_slot(struct kvm *kvm,

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 15580 bytes
Desc: not available
URL: <http://lists.ozlabs.org/pipermail/linuxppc-dev/attachments/20200601/353f3ffa/attachment.gz>


More information about the Linuxppc-dev mailing list