[kbuild-all] arch/arm64/kvm/pvtime.c:27:25: sparse: sparse: cast to restricted __le64

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: cb690f5238d71f543f4ce874aa59237cf53a877c commit: 63b3f96e1a989846a5a521d4fbef4bc86406929d kvm: Select SCHED_INFO instead of TASK_DELAY_ACCT date: 6 months ago config: arm64-randconfig-s032-20210927 (attached as .config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 63b3f96e1a989846a5a521d4fbef4bc86406929d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) -- arch/arm64/kvm/mmio.c: note: in included file: arch/arm64/include/asm/kvm_emulate.h:439:32: sparse: expected unsigned long arch/arm64/include/asm/kvm_emulate.h:439:32: sparse: got restricted __be16 [usertype] arch/arm64/include/asm/kvm_emulate.h:441:32: sparse: expected unsigned long arch/arm64/include/asm/kvm_emulate.h:441:32: sparse: got restricted __be32 [usertype] arch/arm64/include/asm/kvm_emulate.h:443:32: sparse: expected unsigned long arch/arm64/include/asm/kvm_emulate.h:443:32: sparse: got restricted __be64 [usertype] arch/arm64/include/asm/kvm_emulate.h:450:32: sparse: expected unsigned long arch/arm64/include/asm/kvm_emulate.h:450:32: sparse: got restricted __le16 [usertype] arch/arm64/include/asm/kvm_emulate.h:452:32: sparse: expected unsigned long arch/arm64/include/asm/kvm_emulate.h:452:32: sparse: got restricted __le32 [usertype] arch/arm64/include/asm/kvm_emulate.h:454:32: sparse: expected unsigned long arch/arm64/include/asm/kvm_emulate.h:454:32: sparse: got restricted __le64 [usertype] -- arch/arm64/kvm/arch_timer.c:1016:66: sparse: expected void *vcpu_info arch/arm64/kvm/arch_timer.c:1016:66: sparse: got struct kvm_vcpu *[noderef] __percpu * arch/arm64/kvm/arch_timer.c:1049:74: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *vcpu_info @@ got struct kvm_vcpu *[noderef] __percpu * @@ arch/arm64/kvm/arch_timer.c:1049:74: sparse: expected void *vcpu_info arch/arm64/kvm/arch_timer.c:1049:74: sparse: got struct kvm_vcpu *[noderef] __percpu * -- arch/arm64/kvm/vgic/vgic-mmio.c:878:22: sparse: expected unsigned long data arch/arm64/kvm/vgic/vgic-mmio.c:878:22: sparse: got restricted __le16 [usertype] arch/arm64/kvm/vgic/vgic-mmio.c:881:22: sparse: expected unsigned long data arch/arm64/kvm/vgic/vgic-mmio.c:881:22: sparse: got restricted __le32 [usertype] arch/arm64/kvm/vgic/vgic-mmio.c:884:22: sparse: expected unsigned long data arch/arm64/kvm/vgic/vgic-mmio.c:884:22: sparse: got restricted __le64 [usertype] arch/arm64/kvm/vgic/vgic-mmio.c:88:17: sparse: sparse: context imbalance in 'vgic_mmio_write_group' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-mmio.c:124:9: sparse: sparse: context imbalance in 'vgic_mmio_write_senable' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-mmio.c:195:9: sparse: sparse: context imbalance in 'vgic_uaccess_write_senable' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-mmio.c:278:9: sparse: sparse: context imbalance in 'vgic_mmio_write_spending' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-mmio.c:320:9: sparse: sparse: context imbalance in 'vgic_uaccess_write_spending' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-mmio.c:565:9: sparse: sparse: context imbalance in 'vgic_mmio_change_active' - wrong count at exit arch/arm64/kvm/vgic/vgic-mmio.c:773:30: sparse: sparse: context imbalance in 'vgic_write_irq_line_level_info' - different lock contexts for basic block -- arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:955:24: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2133:13: sparse: expected unsigned long long [assigned] [usertype] val arch/arm64/kvm/vgic/vgic-its.c:2133:13: sparse: got restricted __le64 [usertype] arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2159:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2280:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [assigned] [usertype] val @@ got restricted __le64 [usertype] @@ arch/arm64/kvm/vgic/vgic-its.c:2280:13: sparse: expected unsigned long long [assigned] [usertype] val arch/arm64/kvm/vgic/vgic-its.c:2280:13: sparse: got restricted __le64 [usertype] arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2306:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2404:17: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2460:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [assigned] [usertype] val @@ got restricted __le64 [usertype] @@ arch/arm64/kvm/vgic/vgic-its.c:2460:13: sparse: expected unsigned long long [assigned] [usertype] val arch/arm64/kvm/vgic/vgic-its.c:2460:13: sparse: got restricted __le64 [usertype] arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:2476:15: sparse: sparse: cast to restricted __le64 arch/arm64/kvm/vgic/vgic-its.c:280:12: sparse: sparse: context imbalance in 'update_lpi_config' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-its.c:443:9: sparse: sparse: context imbalance in 'its_sync_lpi_pending_table' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-its.c:730:12: sparse: sparse: context imbalance in 'vgic_its_trigger_msi' - different lock contexts for basic block arch/arm64/kvm/vgic/vgic-its.c:752:5: sparse: sparse: context imbalance in 'vgic_its_inject_cached_translation' - wrong count at exit vim +27 arch/arm64/kvm/pvtime.c b48c1a45a19089 virt/kvm/arm/pvtime.c Steven Price 2019-10-21 12 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 13 void kvm_update_stolen_time(struct kvm_vcpu *vcpu) 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 14 { 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 15 struct kvm *kvm = vcpu->kvm; 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 16 u64 base = vcpu->arch.steal.base; 2dbd780e34ac53 arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 17 u64 last_steal = vcpu->arch.steal.last_steal; 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 18 u64 offset = offsetof(struct pvclock_vcpu_stolen_time, stolen_time); 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 19 u64 steal = 0; 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 20 int idx; 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 21 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 22 if (base == GPA_INVALID) 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 23 return; 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 24 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 25 idx = srcu_read_lock(&kvm->srcu); 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 26 if (!kvm_get_guest(kvm, base + offset, steal)) { 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 @27 steal = le64_to_cpu(steal); 2dbd780e34ac53 arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 28 vcpu->arch.steal.last_steal = READ_ONCE(current->sched_info.run_delay); 2dbd780e34ac53 arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 29 steal += vcpu->arch.steal.last_steal - last_steal; 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 30 kvm_put_guest(kvm, base + offset, cpu_to_le64(steal)); 53f985584e3c2e arch/arm64/kvm/pvtime.c Andrew Jones 2020-08-04 31 } 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 32 srcu_read_unlock(&kvm->srcu, idx); 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 33 } 8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 34 :::::: The code at line 27 was first introduced by commit :::::: 53f985584e3c2ebe5f2455530fbf87a001528db8 KVM: arm64: pvtime: Fix stolen time accounting across migration :::::: TO: Andrew Jones <drjones(a)redhat.com&gt; :::::: CC: Marc Zyngier <maz(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org