tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f838f8d2b694cf9d524dc4423e9dd2db13892f3f commit: 53f985584e3c2ebe5f2455530fbf87a001528db8 KVM: arm64: pvtime: Fix stolen time accounting across migration date: 4 months ago config: arm64-randconfig-s032-20201223 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-184-g1b896707-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=53f985584e3c2ebe5f2455530fbf87a001528db8 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 53f985584e3c2ebe5f2455530fbf87a001528db8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 >> arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64 vim +27 arch/arm64/kvm/pvtime.c 12 13 void kvm_update_stolen_time(struct kvm_vcpu *vcpu) 14 { 15 struct kvm *kvm = vcpu->kvm; 16 u64 base = vcpu->arch.steal.base; 17 u64 last_steal = vcpu->arch.steal.last_steal; 18 u64 offset = offsetof(struct pvclock_vcpu_stolen_time, stolen_time); 19 u64 steal = 0; 20 int idx; 21 22 if (base == GPA_INVALID) 23 return; 24 25 idx = srcu_read_lock(&kvm->srcu); 26 if (!kvm_get_guest(kvm, base + offset, steal)) { > 27 steal = le64_to_cpu(steal); 28 vcpu->arch.steal.last_steal = READ_ONCE(current->sched_info.run_delay); 29 steal += vcpu->arch.steal.last_steal - last_steal; 30 kvm_put_guest(kvm, base + offset, cpu_to_le64(steal)); 31 } 32 srcu_read_unlock(&kvm->srcu, idx); 33 } 34 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
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