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Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
-rw-r--r--arch/s390/kvm/kvm-s390.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 752a0ffab9bf..14a18ba5ff2c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -585,6 +585,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = KVM_MAX_VCPUS;
else if (sclp.has_esca && sclp.has_64bscao)
r = KVM_S390_ESCA_CPU_SLOTS;
+ if (ext == KVM_CAP_NR_VCPUS)
+ r = min_t(unsigned int, num_online_cpus(), r);
break;
case KVM_CAP_S390_COW:
r = MACHINE_HAS_ESOP;
@@ -2487,8 +2489,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
case KVM_S390_PV_COMMAND: {
struct kvm_pv_cmd args;
- /* protvirt means user sigp */
- kvm->arch.user_cpu_state_ctrl = 1;
+ /* protvirt means user cpu state */
+ kvm_s390_set_user_cpu_state_ctrl(kvm);
r = 0;
if (!is_prot_virt_host()) {
r = -EINVAL;
@@ -3363,6 +3365,7 @@ out_free_sie_block:
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
{
+ clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.gisa_int.kicked_mask);
return kvm_s390_vcpu_has_irq(vcpu, 0);
}
@@ -3801,7 +3804,7 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
vcpu_load(vcpu);
/* user space knows about this interface - let it control the state */
- vcpu->kvm->arch.user_cpu_state_ctrl = 1;
+ kvm_s390_set_user_cpu_state_ctrl(vcpu->kvm);
switch (mp_state->mp_state) {
case KVM_MP_STATE_STOPPED:
@@ -4066,7 +4069,7 @@ static int vcpu_pre_run(struct kvm_vcpu *vcpu)
kvm_s390_patch_guest_per_regs(vcpu);
}
- clear_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.gisa_int.kicked_mask);
+ clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.gisa_int.kicked_mask);
vcpu->arch.sie_block->icptcode = 0;
cpuflags = atomic_read(&vcpu->arch.sie_block->cpuflags);
@@ -4254,6 +4257,7 @@ static void sync_regs_fmt2(struct kvm_vcpu *vcpu)
if (kvm_run->kvm_dirty_regs & KVM_SYNC_DIAG318) {
vcpu->arch.diag318_info.val = kvm_run->s.regs.diag318;
vcpu->arch.sie_block->cpnc = vcpu->arch.diag318_info.cpnc;
+ VCPU_EVENT(vcpu, 3, "setting cpnc to %d", vcpu->arch.diag318_info.cpnc);
}
/*
* If userspace sets the riccb (e.g. after migration) to a valid state,