From mboxrd@z Thu Jan 1 00:00:00 1970 From: andre.przywara@arm.com (Andre Przywara) Date: Mon, 8 Dec 2014 12:37:42 +0000 Subject: [PATCH v5 07/19] arm/arm64: KVM: dont rely on a valid GICH base address In-Reply-To: <1418042274-3246-1-git-send-email-andre.przywara@arm.com> References: <1418042274-3246-1-git-send-email-andre.przywara@arm.com> Message-ID: <1418042274-3246-8-git-send-email-andre.przywara@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org To check whether the vGIC was already initialized, we currently check the GICH base address for not being NULL. Since with GICv3 we may get along without this address, lets use the irqchip_in_kernel() function to detect an already initialized vGIC. Signed-off-by: Andre Przywara Acked-by: Christoffer Dall --- Changelog v4...v5: (none) Changelog v3...v4: - add Acked-by virt/kvm/arm/vgic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 38f48ca..c481362 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -2095,7 +2095,7 @@ int kvm_vgic_create(struct kvm *kvm, u32 type) mutex_lock(&kvm->lock); - if (kvm->arch.vgic.vctrl_base) { + if (irqchip_in_kernel(kvm)) { ret = -EEXIST; goto out; } -- 1.7.9.5