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author | David S. Miller <davem@davemloft.net> | 2015-09-26 23:08:27 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2015-09-26 23:08:27 (GMT) |
commit | 4963ed48f2c20196d51a447ee87dc2815584fee4 (patch) | |
tree | a1902f466dafa00453889a4f1e66b00249ce0529 /virt/kvm/arm/vgic.c | |
parent | 4d54d86546f62c7c4a0fe3b36a64c5e3b98ce1a9 (diff) | |
parent | 518a7cb6980cd640c7f979d29021ad870f60d7d7 (diff) | |
download | linux-4963ed48f2c20196d51a447ee87dc2815584fee4.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
net/ipv4/arp.c
The net/ipv4/arp.c conflict was one commit adding a new
local variable while another commit was deleting one.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'virt/kvm/arm/vgic.c')
-rw-r--r-- | virt/kvm/arm/vgic.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 9eb489a..6bd1c9b 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1144,26 +1144,11 @@ static void vgic_queue_irq_to_lr(struct kvm_vcpu *vcpu, int irq, struct irq_phys_map *map; map = vgic_irq_map_search(vcpu, irq); - /* - * If we have a mapping, and the virtual interrupt is - * being injected, then we must set the state to - * active in the physical world. Otherwise the - * physical interrupt will fire and the guest will - * exit before processing the virtual interrupt. - */ if (map) { - int ret; - - BUG_ON(!map->active); vlr.hwirq = map->phys_irq; vlr.state |= LR_HW; vlr.state &= ~LR_EOI_INT; - ret = irq_set_irqchip_state(map->irq, - IRQCHIP_STATE_ACTIVE, - true); - WARN_ON(ret); - /* * Make sure we're not going to sample this * again, as a HW-backed interrupt cannot be @@ -1255,7 +1240,7 @@ static void __kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu) struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu; struct vgic_dist *dist = &vcpu->kvm->arch.vgic; unsigned long *pa_percpu, *pa_shared; - int i, vcpu_id; + int i, vcpu_id, lr, ret; int overflow = 0; int nr_shared = vgic_nr_shared_irqs(dist); @@ -1310,6 +1295,31 @@ epilog: */ clear_bit(vcpu_id, dist->irq_pending_on_cpu); } + + for (lr = 0; lr < vgic->nr_lr; lr++) { + struct vgic_lr vlr; + + if (!test_bit(lr, vgic_cpu->lr_used)) + continue; + + vlr = vgic_get_lr(vcpu, lr); + + /* + * If we have a mapping, and the virtual interrupt is + * presented to the guest (as pending or active), then we must + * set the state to active in the physical world. See + * Documentation/virtual/kvm/arm/vgic-mapped-irqs.txt. + */ + if (vlr.state & LR_HW) { + struct irq_phys_map *map; + map = vgic_irq_map_search(vcpu, vlr.irq); + + ret = irq_set_irqchip_state(map->irq, + IRQCHIP_STATE_ACTIVE, + true); + WARN_ON(ret); + } + } } static bool vgic_process_maintenance(struct kvm_vcpu *vcpu) |