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[12/18] KVM: arm64: Update comment in kvm_vgic_map_resources()

Message ID 20210107112101.2297944-13-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series [01/18] KVM: arm64: Don't access PMCR_EL0 when no PMU is available | expand

Commit Message

Marc Zyngier Jan. 7, 2021, 11:20 a.m. UTC
From: Alexandru Elisei <alexandru.elisei@arm.com>

vgic_v3_map_resources() returns -EBUSY if the VGIC isn't initialized,
update the comment to kvm_vgic_map_resources() to match what the function

Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201201150157.223625-5-alexandru.elisei@arm.com
 arch/arm64/kvm/vgic/vgic-init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index a2f4d1c85f00..5b54787a9ad5 100644
--- a/arch/arm64/kvm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c
@@ -419,7 +419,8 @@  int vgic_lazy_init(struct kvm *kvm)
  * Map the MMIO regions depending on the VGIC model exposed to the guest
  * called on the first VCPU run.
  * Also map the virtual CPU interface into the VM.
- * v2/v3 derivatives call vgic_init if not already done.
+ * v2 calls vgic_init() if not already done.
+ * v3 and derivatives return an error if the VGIC is not initialized.
  * vgic_ready() returns true if this function has succeeded.
  * @kvm: kvm struct pointer