KVM: arm64: Advertise NV2 in the boot messages

Make it a bit easier to understand what people are running by
adding a +NV2 string to the successful KVM initialisation.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://lore.kernel.org/r/20250220134907.554085-6-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index b8e55a441282f57cb2d4bc55a43b41d5b774dfdd..5ea09f13c7bc026373dcd17287b71b262688610d 100644 (file)
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -2806,11 +2806,12 @@ static __init int kvm_arm_init(void)
        if (err)
                goto out_hyp;
 
-       kvm_info("%s%sVHE mode initialized successfully\n",
+       kvm_info("%s%sVHE%s mode initialized successfully\n",
                 in_hyp_mode ? "" : (is_protected_kvm_enabled() ?
                                     "Protected " : "Hyp "),
                 in_hyp_mode ? "" : (cpus_have_final_cap(ARM64_KVM_HVHE) ?
-                                    "h" : "n"));
+                                    "h" : "n"),
+                cpus_have_final_cap(ARM64_HAS_NESTED_VIRT) ? "+NV2": "");
 
        /*
         * FIXME: Do something reasonable if kvm_init() fails after pKVM