Messages in this thread | | | Subject | Re: [PATCH] KVM: Check the allocation of pv cpu mask | From | Haiwei Li <> | Date | Thu, 3 Sep 2020 09:31:38 +0800 |
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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@intel.com> > > 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@lists.01.org >
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