linux-kernel - Re: [PATCH 1/2] rngd: add udev rule to source from hwrng if virtio-rng present

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Message-ID: <20140811071527.GB4184@grmbl.mre>
Date:	Mon, 11 Aug 2014 12:45:27 +0530
From:	Amit Shah <amit.shah@...hat.com>
To:	"H. Peter Anvin" <hpa@...ux.intel.com>
Cc:	jgarzik@...pay.com,
	Virtualization List <virtualization@...ts.linux-foundation.org>,
	Amos Kong <akong@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org,
	Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
	duwe@....de
Subject: Re: [PATCH 1/2] rngd: add udev rule to source from hwrng if
 virtio-rng present

On (Fri) 08 Aug 2014 [14:46:27], H. Peter Anvin wrote:
> On 08/08/2014 02:07 AM, Amit Shah wrote:
> >
> > 
> >>  To
> >> some degree the above is obsolete when we get khwrngd widely deployed,
> >> but that is a new-kernel-only kind of thing.
> > 
> > Right - I'm wondering if any such changes as propsed here are now
> > obsolted already by khwrngd?
> > 
> 
> In this case, yes, khwrngd would be a better solution for current kernels.

I think that's OK with me.

What's the suggested value for rng->quality, though, for virtio-rng
that I can use to ensure the kthread starts?

Should I use the 700 (70%) as proposed in the original patchset?  I'm
not exactly sure how that value will be used as well..


		Amit
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