[PATCH] ARM: KVM: iterate over all CPUs for CPU compatibility check

[Peter Maydell]

On 12 April 2013 14:24, Marc Zyngier <marc.zyngier at arm.com> wrote:
> Nak. The fact that one of the CPUs seem to hang is a sure sign that
> something is severely broken, and you definitely want to fix that issue,
> instead of blindly ignoring it.
>
> Additionally, it seems you're just papering over the issue. You should
> be able to exclude the A7 processors, but not completely deny KVM from
> running on the hardware.

Well that might be nice, as would fully supporting big.LITTLE
systems. But until somebody actually does that work it seems
like a better idea to fail gracefully rather than having a 50%
chance of failing gracefully and a 50% chance of going weird.

-- PMM