KVM: arm64: Prevent NV feature flag on systems w/o nested virt

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It would appear that userspace can select the NV feature flag regardless
of whether the system actually supports the feature. Obviously a nested
guest isn't getting far in this situation; let's reject the flag
instead.

Link: https://lore.kernel.org/r/20230920195036.1169791-6-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Oliver Upton 2023-09-20 19:50:33 +00:00

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commit 12405b0992

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arch/arm64/kvm/arm.c

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