Re: KVM on Samsung Chromebook A15

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On 07/05/2013 05:07 AM, Richard W.M. Jones wrote:
> On Wed, Jul 03, 2013 at 11:59:28AM -0500, Jon wrote:
>> I'm pleased to announce the availability of Fedora 19 for the 2012 Samsung
>> Chromebook featuring ARM Exynos dual core A15 processor.
> 
> Sorry to slightly hijack this thread.  I will try your remix later.
> 
> Reading the comments on https://lwn.net/Articles/557132/#Comments
> it seems as if the news on KVM on the Chromebook is not good.  It
> doesn't boot into HYP mode, and there's no way to make it boot into
> HYP mode, so KVM won't be supported.  Is that right?

That's roughly what I'd expect to be the case. There might be a signed
U-Boot someone has hacked that does enable HYP mode, but otherwise I
suspect you're out of luck. I'll ask around during Linaro Connect.

Note that this is also specifically why I had the UEFI binding for ARMv8
modified (a long time ago, in a galaxy far far away) such that we
*always* mandate that the OS be entered at the EL2 exception level (not
privilege level in ARMv8 - different), and that we have a standard way
to install a Hypervisor. Unfortunately, on 32-bit systems, you need to
rely upon a magic SMC or similar to do it, and we can't rely on that
being available, or standardized yet. Bottom line is this goes away.

Jon.

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