[linux-next:master 9112/11634] arch/arm64/kvm/pvtime.c:33:9: sparse: sparse: incorrect type in initializer (different base types)
12:45 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e8f3274774b45b5f4e9e3d5cad7ff9f43ae3add5
commit: 9ed24f4b712b855dcf7be3025b75b051cb73a2b7 [9112/11634] KVM: arm64: Move
virt/kvm/arm to arch/arm64
config: arm64-randconfig-s002-20200521 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-193-gb8fad4bc-dirty
git checkout 9ed24f4b712b855dcf7be3025b75b051cb73a2b7
# save the attached .config to linux build tree
make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> arch/arm64/kvm/pvtime.c:33:9: sparse: sparse: incorrect type in
initializer (different base types) @@ expected unsigned long long __pu_val @@ got
restricted __le64 [asunsigned long long __pu_val @@
> arch/arm64/kvm/pvtime.c:33:9: sparse: expected unsigned long long __pu_val
> arch/arm64/kvm/pvtime.c:33:9: sparse: got restricted __le64 [assigned] [usertype]
steal_le
--
> arch/arm64/kvm/arch_timer.c:936:66: sparse: sparse: incorrect
type in argument 2 (different address spaces) @@ expected void *vcpu_info @@ got
struct kvm_vcpu *[noderef] <asvoid *vcpu_info @@
> arch/arm64/kvm/arch_timer.c:936:66: sparse: expected void *vcpu_info
> arch/arm64/kvm/arch_timer.c:936:66: sparse: got struct kvm_vcpu *[noderef]
<asn:3> *
arch/arm64/kvm/arch_timer.c:969:74: sparse: sparse: incorrect
type in argument 2 (different address spaces) @@ expected void *vcpu_info @@ got
struct kvm_vcpu *[noderef] <asvoid *vcpu_info @@
arch/arm64/kvm/arch_timer.c:969:74: sparse: expected void *vcpu_info
arch/arm64/kvm/arch_timer.c:969:74: sparse: got struct kvm_vcpu *[noderef]
<asn:3> *
--
> arch/arm64/kvm/vgic/vgic.c:353:17: sparse: sparse: context
imbalance in 'vgic_queue_irq_unlock' - unexpected unlock
> arch/arm64/kvm/vgic/vgic.c:437:5: sparse: sparse: context imbalance in
'kvm_vgic_inject_irq' - different lock contexts for basic block
--
> arch/arm64/kvm/vgic/vgic-v3.c:314:5: sparse: sparse: context
imbalance in 'vgic_v3_lpi_sync_pending_status' - different lock contexts for basic
block
--
> arch/arm64/kvm/vgic/vgic-mmio.c:854:24: sparse: sparse: cast to
restricted __le16
> arch/arm64/kvm/vgic/vgic-mmio.c:856:24: sparse: sparse: cast to restricted __le32
> arch/arm64/kvm/vgic/vgic-mmio.c:858:24: sparse: sparse: cast to restricted __le64
> arch/arm64/kvm/vgic/vgic-mmio.c:878:22: sparse: sparse: incorrect type in assignment
(different base types) @@ expected unsigned long data @@ got restricted __leunsigned
long data @@
> 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: sparse: incorrect type in
assignment (different base types) @@ expected unsigned long data @@ got restricted
__leunsigned long data @@
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: sparse:
incorrect type in assignment (different base types) @@ expected unsigned long data @@
got restricted __leunsigned long data @@
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-mmio-v2.c:134:9: sparse: sparse: context
imbalance in 'vgic_mmio_write_sgir' - different lock contexts for basic block
> arch/arm64/kvm/vgic/vgic-mmio-v2.c:244:9: sparse: sparse: context imbalance in
'vgic_mmio_write_sgipends' - different lock contexts for basic block
--
> arch/arm64/kvm/vgic/vgic-mmio-v3.c:338:9: sparse: sparse: context
imbalance in 'vgic_v3_uaccess_write_pending' - different lock contexts for basic
block
> arch/arm64/kvm/vgic/vgic-mmio-v3.c:1025:17: sparse: sparse: context imbalance in
'vgic_v3_dispatch_sgi' - different lock contexts for basic block
--
> arch/arm64/kvm/vgic/vgic-its.c:825:17: sparse: sparse: cast to
restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:956:24: sparse: sparse: cast to
restricted __le64
> arch/arm64/kvm/vgic/vgic-its.c:2134:13: sparse: sparse: incorrect
type in assignment (different base types) @@ expected unsigned long long [assigned]
[usertype] val @@ got g long [assigned] [usertype] val @@
> arch/arm64/kvm/vgic/vgic-its.c:2134:13: sparse: expected unsigned long long
[assigned] [usertype] val
> arch/arm64/kvm/vgic/vgic-its.c:2134:13: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-its.c:2160:15: sparse: sparse: cast to restricted
__le64
arch/arm64/kvm/vgic/vgic-its.c:2281:13: sparse: sparse: incorrect type in assignment
(different base types) @@ expected unsigned long long [assigned] [usertype] val @@
got g long [assigned] [usertype] val @@
arch/arm64/kvm/vgic/vgic-its.c:2281:13: sparse: expected unsigned long long
[assigned] [usertype] val
arch/arm64/kvm/vgic/vgic-its.c:2281:13: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-its.c:2307:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2405:17: sparse: sparse: cast to restricted __le64
arch/arm64/kvm/vgic/vgic-its.c:2461:13: sparse: sparse: incorrect type in assignment
(different base types) @@ expected unsigned long long [assigned] [usertype] val @@
got g long [assigned] [usertype] val @@
arch/arm64/kvm/vgic/vgic-its.c:2461:13: sparse: expected unsigned long long
[assigned] [usertype] val
arch/arm64/kvm/vgic/vgic-its.c:2461:13: sparse: got restricted __le64 [usertype]
arch/arm64/kvm/vgic/vgic-its.c:2477:15: 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 +33 arch/arm64/kvm/pvtime.c
b48c1a45a19089 virt/kvm/arm/pvtime.c Steven Price 2019-10-21 11
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 12 void
kvm_update_stolen_time(struct kvm_vcpu *vcpu)
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 13 {
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 14 struct kvm *kvm =
vcpu->kvm;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 15 u64 steal;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 16 __le64 steal_le;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 17 u64 offset;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 18 int idx;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 19 u64 base =
vcpu->arch.steal.base;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 20
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 21 if (base ==
GPA_INVALID)
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 22 return;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 23
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 24 /* Let's do the
local bookkeeping */
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 25 steal =
vcpu->arch.steal.steal;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 26 steal +=
current->sched_info.run_delay - vcpu->arch.steal.last_steal;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 27
vcpu->arch.steal.last_steal = current->sched_info.run_delay;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 28
vcpu->arch.steal.steal = steal;
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 29
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 30 steal_le =
cpu_to_le64(steal);
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 31 idx =
srcu_read_lock(&kvm->srcu);
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 32 offset =
offsetof(struct pvclock_vcpu_stolen_time, stolen_time);
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 @33 kvm_put_guest(kvm, base
+ offset, steal_le, u64);
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 34
srcu_read_unlock(&kvm->srcu, idx);
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 35 }
8564d6372a7d8a virt/kvm/arm/pvtime.c Steven Price 2019-10-21 36
:::::: The code at line 33 was first introduced by commit
:::::: 8564d6372a7d8a6d440441b8ed8020f97f744450 KVM: arm64: Support stolen time reporting
via shared structure
:::::: TO: Steven Price <steven.price(a)arm.com>
:::::: CC: Marc Zyngier <maz(a)kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
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