Commit 67335e63 authored by Christian Borntraeger's avatar Christian Borntraeger

KVM: s390: Drop pending interrupts on guest exit

On hard exits (abort, sigkill) we have have some kvm_s390_interrupt_info
structures hanging around. Delete those on exit to avoid memory leaks.
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
CC: stable@vger.kernel.org
Reviewed-by: default avatarThomas Huth <thuth@linux.vnet.ibm.com>
parent f71d0dc5
......@@ -1045,7 +1045,7 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
return 0;
}
static void clear_floating_interrupts(struct kvm *kvm)
void kvm_s390_clear_float_irqs(struct kvm *kvm)
{
struct kvm_s390_float_interrupt *fi;
struct kvm_s390_interrupt_info *n, *inti = NULL;
......@@ -1391,7 +1391,7 @@ static int flic_set_attr(struct kvm_device *dev, struct kvm_device_attr *attr)
break;
case KVM_DEV_FLIC_CLEAR_IRQS:
r = 0;
clear_floating_interrupts(dev->kvm);
kvm_s390_clear_float_irqs(dev->kvm);
break;
case KVM_DEV_FLIC_APF_ENABLE:
dev->kvm->arch.gmap->pfault_enabled = 1;
......
......@@ -471,6 +471,7 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
{
VCPU_EVENT(vcpu, 3, "%s", "free cpu");
trace_kvm_s390_destroy_vcpu(vcpu->vcpu_id);
kvm_s390_clear_local_irqs(vcpu);
kvm_clear_async_pf_completion_queue(vcpu);
if (!kvm_is_ucontrol(vcpu->kvm)) {
clear_bit(63 - vcpu->vcpu_id,
......@@ -520,6 +521,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
if (!kvm_is_ucontrol(kvm))
gmap_free(kvm->arch.gmap);
kvm_s390_destroy_adapters(kvm);
kvm_s390_clear_float_irqs(kvm);
}
/* Section: vcpu related */
......
......@@ -130,6 +130,7 @@ void kvm_s390_tasklet(unsigned long parm);
void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu);
void kvm_s390_deliver_pending_machine_checks(struct kvm_vcpu *vcpu);
void kvm_s390_clear_local_irqs(struct kvm_vcpu *vcpu);
void kvm_s390_clear_float_irqs(struct kvm *kvm);
int __must_check kvm_s390_inject_vm(struct kvm *kvm,
struct kvm_s390_interrupt *s390int);
int __must_check kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
......
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