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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-04-30 21:23:06 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-04-30 21:23:06 +0200 |
| commit | 6245242d9145815c3f4be71f7d8af858f7c66319 (patch) | |
| tree | ddfa711ca06d00c55adbddb4ba64b09acf427a02 /virt/kvm/arm/vgic/vgic.c | |
| parent | eba3afde1cea7dbd7881683232f2a85e2ed86bfe (diff) | |
| parent | 6bc210003dff7b789efae5bb02a0320dc24dd416 (diff) | |
Merge tag 'kvmarm-fixes-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM fixes for 5.1, take #2:
- Don't try to emulate timers on userspace access
- Fix unaligned huge mappings, again
- Properly reset a vcpu that fails to reset(!)
- Properly retire pending LPIs on reset
- Fix computation of emulated CNTP_TVAL
Diffstat (limited to 'virt/kvm/arm/vgic/vgic.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index 3af69f2a3866..191deccf60bf 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -151,6 +151,27 @@ void vgic_put_irq(struct kvm *kvm, struct vgic_irq *irq) kfree(irq); } +void vgic_flush_pending_lpis(struct kvm_vcpu *vcpu) +{ + struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu; + struct vgic_irq *irq, *tmp; + unsigned long flags; + + raw_spin_lock_irqsave(&vgic_cpu->ap_list_lock, flags); + + list_for_each_entry_safe(irq, tmp, &vgic_cpu->ap_list_head, ap_list) { + if (irq->intid >= VGIC_MIN_LPI) { + raw_spin_lock(&irq->irq_lock); + list_del(&irq->ap_list); + irq->vcpu = NULL; + raw_spin_unlock(&irq->irq_lock); + vgic_put_irq(vcpu->kvm, irq); + } + } + + raw_spin_unlock_irqrestore(&vgic_cpu->ap_list_lock, flags); +} + void vgic_irq_set_phys_pending(struct vgic_irq *irq, bool pending) { WARN_ON(irq_set_irqchip_state(irq->host_irq, |