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UPSTREAM: docs: kvm: devices/arm-vgic-v3: enhance KVM_DEV_ARM_VGIC_CTRL_INIT doc

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kvm_arch_vcpu_precreate() returns -EBUSY if the vgic is
already initialized. So let's document that KVM_DEV_ARM_VGIC_CTRL_INIT
must be called after all vcpu creations.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210405163941.510258-6-eric.auger@redhat.com
(cherry picked from commit 298c41b8fa)
Signed-off-by: Will Deacon <willdeacon@google.com>
Bug: 190594147
Change-Id: Ifcd71d9c52ca043f8bbaae350f376bc76124e5de
This commit is contained in:
Eric Auger
2021-04-05 18:39:37 +02:00
committed by Will Deacon
parent b89ce4828a
commit 3d8bea9440
1 changed files with 1 additions and 1 deletions
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2
Documentation/virt/kvm/devices/arm-vgic-v3.rst
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@@ -228,7 +228,7 @@ Groups:
KVM_DEV_ARM_VGIC_CTRL_INIT
request the initialization of the VGIC, no additional parameter in
kvm_device_attr.addr.
kvm_device_attr.addr. Must be called after all VCPUs have been created.
KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES
save all LPI pending bits into guest RAM pending tables.