On Thu, May 01, 2014 at 12:02:49PM -0700, Andy Lutomirski wrote:
Is RDSEED really reasonable here? Won't it slow down by several
orders of magnitude?
That is I think the biggest problem; RDRAND and RDSEED are fast if
they are native, but they will involve a VM exit if they need to be
On Thu, May 01, 2014 at 01:32:55PM -0700, Andy Lutomirski wrote:
On Thu, May 1, 2014 at 1:30 PM, H. Peter Anvin h...@zytor.com wrote:
RDSEED is not synchronous. It is, however, nonblocking.
What I mean is: IIUC it's reasonable to call RDSEED a few times in a
loop and hope it works. It
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
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I recently updated to the latest qemu-kvm git tree (commit c04b2ae) and
I ran into the following problem. I want to do a direct Linux boot for
some of my testing work, using the -kernel option. Apparently the the
gPXE boot code corrupts something in memory or other CPU state
