Re: [PATCH v3 1/5] x86,kvm: Add MSR_KVM_GET_RNG_SEED and a matching feature bit

[Andrew Honig]

> +       case MSR_KVM_GET_RNG_SEED:
> +               get_random_bytes(&data, sizeof(data));
> +               break;

Should this be rate limited in the interest of conserving randomness?
If there ever is an attack on the prng, this would create very
favorable conditions for an attacker to exploit it.
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