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authorAndre Przywara <andre.przywara@arm.com>2016-04-13 09:48:02 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2016-05-20 15:39:37 +0200
commit4f551a3d96a2de85a041ee60e806bda1d5b06255 (patch)
tree826cec1d44d34d1979fe8a6ce0c4d6301cd8828c /virt/kvm/arm
parent7cbc084dc22ca4adb8fd741502e43f29b577abfb (diff)
downloadlinux-stericsson-4f551a3d96a2de85a041ee60e806bda1d5b06255.tar.gz
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/kvm/arm')
-rw-r--r--virt/kvm/arm/arch_timer.c2
-rw-r--r--virt/kvm/arm/vgic.c6
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)