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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-03-25 20:09:08 +0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-04-22 15:24:53 +0400 |
| commit | 67335e63c9ef59e97b45a08b4a6a93767762031d (patch) | |
| tree | afe1abd9afec4fff5d825cc7353f6f7c2f84e2ef /arch | |
| parent | f71d0dc5084b4de761b5be1aef1a855136cecd15 (diff) | |
| download | linux-67335e63c9ef59e97b45a08b4a6a93767762031d.tar.xz | |
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: Christian Borntraeger <borntraeger@de.ibm.com>
CC: stable@vger.kernel.org
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kvm/interrupt.c | 4 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 1 |
3 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index d020c5f8eabb..077e4738ebdc 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -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; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index e6bbfe1a9474..b32c42cbc706 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -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 */ diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index be8ae0d68ab6..c93ed5fabfbc 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -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, |