On 10/13/15 15:38, Paolo Bonzini wrote:
> 
> 
> On 13/10/2015 15:26, Laszlo Ersek wrote:
>> On the other hand, I don't know if Quark is a UP vs. MP system to begin
>> with.
> 
> Quark is UP only.  It's so UP that it triggers an erratum if you use
> lock-prefixed instructions. :)
> 
>> Either the EFI_SMM_CONTROL2_PROTOCOL.Trigger()
>> spec is incomplete in PI, or QEMU's emulation of APM_CNT is not
>> appropriate.
> 
> That's possible.  However, it's too late to change QEMU.
> 
> [I always feel bad when snipping a long reply to 3 lines...]

No problem. :)

I'll squash your fix into the next version, with many thanks. :) It's
our platform after all, and we can do in OvmfPkg whatever needs to be
done on it. :)

Cheers!
Laszlo

> 
> Paolo
> 
>> Either way, I'm okay with this fix, but I'd like to
>> understand the expectations.

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