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Commit c1426e4c authored by Eric Auger's avatar Eric Auger Committed by Christoffer Dall
Browse files

KVM: arm/arm64: implement kvm_arch_intc_initialized 



On arm/arm64 the VGIC is dynamically instantiated and it is useful
to expose its state, especially for irqfd setup.

This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and
implements kvm_arch_intc_initialized.

Signed-off-by: default avatarEric Auger <eric.auger@linaro.org>
Acked-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: default avatarAndre Przywara <andre.przywara@arm.com>
Acked-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent 01c94e64

arch/arm/include/asm/kvm_host.h

+2 −0
Original line number Diff line number Diff line
@@ -27,6 +27,8 @@ 
#include <asm/fpstate.h>

#include <kvm/arm_arch_timer.h>



#define __KVM_HAVE_ARCH_INTC_INITIALIZED



#if defined(CONFIG_KVM_ARM_MAX_VCPUS)

#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS

#else

arch/arm/kvm/arm.c

+5 −0
Original line number Diff line number Diff line
@@ -448,6 +448,11 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) 
	return 0;

}



bool kvm_arch_intc_initialized(struct kvm *kvm)

{

	return vgic_initialized(kvm);

}



static void vcpu_pause(struct kvm_vcpu *vcpu)

{

	wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu);

arch/arm64/include/asm/kvm_host.h

+2 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ 
#include <asm/kvm_asm.h>

#include <asm/kvm_mmio.h>



#define __KVM_HAVE_ARCH_INTC_INITIALIZED



#if defined(CONFIG_KVM_ARM_MAX_VCPUS)

#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS

#else