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authorAndre Przywara <andre.przywara@arm.com>2014-06-03 10:26:30 +0200
committerChristoffer Dall <christoffer.dall@linaro.org>2015-01-20 18:25:33 +0100
commitac3d373564d9744068d867a0eb16da2ff8d5ee9d (patch)
tree2d1829a9ab353944b705149a05f53e75eccd77b0 /include/kvm
parentb5d84ff600a244b655bd4f657f5350f29b0ce611 (diff)
downloadlinux-ac3d373564d9744068d867a0eb16da2ff8d5ee9d.tar.bz2
arm/arm64: KVM: allow userland to request a virtual GICv3
With all of the GICv3 code in place now we allow userland to ask the kernel for using a virtual GICv3 in the guest. Also we provide the necessary support for guests setting the memory addresses for the virtual distributor and redistributors. This requires some userland code to make use of that feature and explicitly ask for a virtual GICv3. Document that KVM_CREATE_IRQCHIP only works for GICv2, but is considered legacy and using KVM_CREATE_DEVICE is preferred. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'include/kvm')
-rw-r--r--include/kvm/arm_vgic.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 39039d5f09a8..7c55dd5dd2c9 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -36,8 +36,8 @@
#define VGIC_V2_MAX_CPUS 8
/* Sanity checks... */
-#if (KVM_MAX_VCPUS > 8)
-#error Invalid number of CPU interfaces
+#if (KVM_MAX_VCPUS > 255)
+#error Too many KVM VCPUs, the VGIC only supports up to 255 VCPUs for now
#endif
#if (VGIC_NR_IRQS_LEGACY & 31)