diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c index 2fdb65529594..6752d084934d 100644 --- a/arch/arm64/kvm/vgic/vgic-init.c +++ b/arch/arm64/kvm/vgic/vgic-init.c @@ -519,12 +519,15 @@ void kvm_vgic_init_cpu_hardware(void) */ int kvm_vgic_hyp_init(void) { + bool has_mask; int ret; if (!gic_kvm_info) return -ENODEV; - if (!gic_kvm_info->maint_irq) { + has_mask = !gic_kvm_info->no_maint_irq_mask; + + if (has_mask && !gic_kvm_info->maint_irq) { kvm_err("No vgic maintenance irq\n"); return -ENXIO; } @@ -552,6 +555,9 @@ int kvm_vgic_hyp_init(void) if (ret) return ret; + if (!has_mask) + return 0; + ret = request_percpu_irq(kvm_vgic_global_state.maint_irq, vgic_maintenance_handler, "vgic", kvm_get_running_vcpus()); diff --git a/include/linux/irqchip/arm-vgic-info.h b/include/linux/irqchip/arm-vgic-info.h index a25d4da5697d..7c0d08ebb82c 100644 --- a/include/linux/irqchip/arm-vgic-info.h +++ b/include/linux/irqchip/arm-vgic-info.h @@ -24,6 +24,8 @@ struct gic_kvm_info { struct resource vcpu; /* Interrupt number */ unsigned int maint_irq; + /* No interrupt mask, no need to use the above field */ + bool no_maint_irq_mask; /* Virtual control interface */ struct resource vctrl; /* vlpi support */