diff options
| author | Andre Przywara <andre.przywara@arm.com> | 2016-04-13 11:48:02 +0300 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2016-05-20 16:39:37 +0300 |
| commit | 4f551a3d96a2de85a041ee60e806bda1d5b06255 (patch) | |
| tree | 826cec1d44d34d1979fe8a6ce0c4d6301cd8828c /virt | |
| parent | 7cbc084dc22ca4adb8fd741502e43f29b577abfb (diff) | |
| download | linux-4f551a3d96a2de85a041ee60e806bda1d5b06255.tar.xz | |
KVM: arm/arm64: vgic: avoid map in kvm_vgic_inject_mapped_irq()
When we want to inject a hardware mapped IRQ into a guest, we actually
only need the virtual IRQ number from the irq_phys_map.
So let's pass this number directly from the arch timer to the VGIC
to avoid using the map as a parameter.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/arm/arch_timer.c | 2 | ||||
| -rw-r--r-- | virt/kvm/arm/vgic.c | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 409db3304471..a9c6c1c59d38 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -177,7 +177,7 @@ static void kvm_timer_update_irq(struct kvm_vcpu *vcpu, bool new_level) trace_kvm_timer_update_irq(vcpu->vcpu_id, timer->map->virt_irq, timer->irq.level); ret = kvm_vgic_inject_mapped_irq(vcpu->kvm, vcpu->vcpu_id, - timer->map, + timer->map->virt_irq, timer->irq.level); WARN_ON(ret); } diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index f6c61720763d..81c557c0c3fd 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1666,7 +1666,7 @@ int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int irq_num, * kvm_vgic_inject_mapped_irq - Inject a physically mapped IRQ to the vgic * @kvm: The VM structure pointer * @cpuid: The CPU for PPIs - * @map: Pointer to a irq_phys_map structure describing the mapping + * @virt_irq: The virtual IRQ to be injected * @level: Edge-triggered: true: to trigger the interrupt * false: to ignore the call * Level-sensitive true: raise the input signal @@ -1677,7 +1677,7 @@ int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int irq_num, * being HIGH and 0 being LOW and all devices being active-HIGH. */ int kvm_vgic_inject_mapped_irq(struct kvm *kvm, int cpuid, - struct irq_phys_map *map, bool level) + unsigned int virt_irq, bool level) { int ret; @@ -1685,7 +1685,7 @@ int kvm_vgic_inject_mapped_irq(struct kvm *kvm, int cpuid, if (ret) return ret; - return vgic_update_irq_pending(kvm, cpuid, map->virt_irq, level); + return vgic_update_irq_pending(kvm, cpuid, virt_irq, level); } static irqreturn_t vgic_maintenance_handler(int irq, void *data) |