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arm/arm64: KVM: dont rely on a valid GICH base address 

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 <andre.przywara@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
wifi-calibration
Andre Przywara 2014-10-26 23:18:14 +00:00 committed by Christoffer Dall
parent ea2f83a7de
commit 4ce7ebdfc6
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/arm/vgic.c
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@ -2094,7 +2094,7 @@ 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;
}