Messages in this thread | | | From | Andy Lutomirski <> | Date | Wed, 16 Jul 2014 17:03:21 -0700 | Subject | Re: [PATCH v3 2/5] random,x86: Add arch_get_slow_rng_u64 |
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On Jul 16, 2014 4:00 PM, "H. Peter Anvin" <hpa@zytor.com> wrote: > > On 07/16/2014 03:40 PM, Andy Lutomirski wrote: > > On Wed, Jul 16, 2014 at 3:13 PM, Andy Lutomirski <luto@amacapital.net> wrote: > >> My personal preference is to defer this until some user shows up. I > >> think that even this would be too complicated for KASLR, which is the > >> only extremely early-boot user that I found. > >> > >> Hmm. Does the prandom stuff want to use this? > > > > prandom isn't even using rdrand. I'd suggest fixing this separately, > > or even just waiting until someone goes and deletes prandom. > > > > prandom is exactly the opposite; it is designed for when we need > possibly low quality random numbers very quickly. RDRAND is actually > too slow.
I meant that prandom isn't using rdrand for early seeding.
--Andy
> > -hpa > >
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