Hi Sean, I love your patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [cannot apply to v5.4-rc4 next-20191024] [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/Sean-Christopherson/KVM-Dynamically-size-memslot-arrays/20191024-144336 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: mips-malta_kvm_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 7.4.0 reproduce: 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 GCC_VERSION=7.4.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/mips/kvm/mips.c: In function 'kvm_arch_dirty_log_tlb_flush': >> arch/mips/kvm/mips.c:976:48: error: 'memslot' undeclared (first use in this function); did you mean 'memset'? kvm_mips_callbacks->flush_shadow_memslot(kvm, memslot); ^~~~~~~ memset arch/mips/kvm/mips.c:976:48: note: each undeclared identifier is reported only once for each function it appears in vim +976 arch/mips/kvm/mips.c 669e846e6c4e13 arch/mips/kvm/kvm_mips.c Sanjay Lal 2012-11-21 972 3e2c881a0e3a6e arch/mips/kvm/mips.c Sean Christopherson 2019-10-21 973 void kvm_arch_dirty_log_tlb_flush(struct kvm *kvm, struct kvm_memory_slot *slot) 2a31b9db153530 arch/mips/kvm/mips.c Paolo Bonzini 2018-10-23 974 { 2a31b9db153530 arch/mips/kvm/mips.c Paolo Bonzini 2018-10-23 975 /* Let implementation handle TLB/GVA invalidation */ 2a31b9db153530 arch/mips/kvm/mips.c Paolo Bonzini 2018-10-23 @976 kvm_mips_callbacks->flush_shadow_memslot(kvm, memslot); 2a31b9db153530 arch/mips/kvm/mips.c Paolo Bonzini 2018-10-23 977 } 2a31b9db153530 arch/mips/kvm/mips.c Paolo Bonzini 2018-10-23 978 :::::: The code at line 976 was first introduced by commit :::::: 2a31b9db153530df4aa02dac8c32837bf5f47019 kvm: introduce manual dirty log reprotect :::::: TO: Paolo Bonzini <pbonzini@xxxxxxxxxx> :::::: CC: Paolo Bonzini <pbonzini@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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