On 20/9/2 01:35, kernel test robot wrote:
Hi Haiwei,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on kvm/linux-next]
[also build test ERROR on linus/master v5.9-rc3 next-20200828]
[cannot apply to linux/master vhost/linux-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Haiwei-Li/KVM-Check-the-allocation-of-pv-cpu-mask/20200901-195412
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: x86_64-randconfig-a011-20200901 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c10e63677f5d20f18010f8f68c631ddc97546f7d)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
arch/x86/kernel/kvm.c:801:35: error: use of undeclared identifier 'kvm_send_ipi_mask_allbutself'
apic->send_IPI_mask_allbutself = kvm_send_ipi_mask_allbutself;
^
1 error generated.
THX, i will fix and resend.
# https://github.com/0day-ci/linux/commit/13dd13ab0aefbb5c31bd8681831e6a11ac381509
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Haiwei-Li/KVM-Check-the-allocation-of-pv-cpu-mask/20200901-195412
git checkout 13dd13ab0aefbb5c31bd8681831e6a11ac381509
vim +/kvm_send_ipi_mask_allbutself +801 arch/x86/kernel/kvm.c
791
792 if (alloc)
793 for_each_possible_cpu(cpu) {
794 if (!zalloc_cpumask_var_node(
795 per_cpu_ptr(&__pv_cpu_mask, cpu),
796 GFP_KERNEL, cpu_to_node(cpu))) {
797 goto zalloc_cpumask_fail;
798 }
799 }
800
> 801 apic->send_IPI_mask_allbutself = kvm_send_ipi_mask_allbutself;
802 pv_ops.mmu.flush_tlb_others = kvm_flush_tlb_others;
803 return 0;
804
805 zalloc_cpumask_fail:
806 kvm_free_pv_cpu_mask();
807 return -ENOMEM;
808 }
809 arch_initcall(kvm_alloc_cpumask);
810
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
