On Thu, May 1, 2014 at 3:28 PM, <tytso@xxxxxxx> wrote: > On Thu, May 01, 2014 at 02:06:13PM -0700, Andy Lutomirski wrote: >> >> I still don't see the point. What does this do better than virtio-rng? > > I believe you had been complaining about how complicated it was to set > up virtio? And this complexity is also an issue if we want to use it > to initialize the RNG used for the kernel text ASLR --- which has to > be done very early in the boot process, and where making something as > simple as possible is a Good Thing. It's complicated, so it won't be up until much later in the boot process. This is completely fine for /dev/random, but it's a problem for /dev/urandom, ASLR, and such. > > And since we would want to use RDRAND/RDSEED if it is available > *anyway*, perhaps in combination with other things, why not use the > RDRAND/RDSEED interface? Because it's awkward. I don't think it simplifies anything. --Andy -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
