From 1f57be289571d514b9412da2af25a64a81b8dd89 Mon Sep 17 00:00:00 2001 From: Christoffer Dall Date: Tue, 9 Dec 2014 14:30:36 +0100 Subject: arm/arm64: KVM: Add (new) vgic_initialized macro Some code paths will need to check to see if the internal state of the vgic has been initialized (such as when creating new VCPUs), so introduce such a macro that checks the nr_cpus field which is set when the vgic has been initialized. Also set nr_cpus = 0 in kvm_vgic_destroy, because the error path in vgic_init() will call this function, and code should never errornously assume the vgic to be properly initialized after an error. Acked-by: Marc Zyngier Reviewed-by: Eric Auger Signed-off-by: Christoffer Dall --- include/kvm/arm_vgic.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/kvm') diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 3e262b9bbddf..ac4888dc86bc 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -287,6 +287,7 @@ bool vgic_handle_mmio(struct kvm_vcpu *vcpu, struct kvm_run *run, struct kvm_exit_mmio *mmio); #define irqchip_in_kernel(k) (!!((k)->arch.vgic.in_kernel)) +#define vgic_initialized(k) (!!((k)->arch.vgic.nr_cpus)) #define vgic_ready(k) ((k)->arch.vgic.ready) int vgic_v2_probe(struct device_node *vgic_node, @@ -369,6 +370,11 @@ static inline int irqchip_in_kernel(struct kvm *kvm) return 0; } +static inline bool vgic_initialized(struct kvm *kvm) +{ + return true; +} + static inline bool vgic_ready(struct kvm *kvm) { return true; -- cgit v1.2.3