Re: SMRAM sizes on large hosts

[Paolo Bonzini <pbonzini@redhat.com>]

On 03/05/2017 15:14, Laszlo Ersek wrote:
> I'd prefer a solution that would keep the fw logic / code flow related
> to register configuration intact, and would just replace a few numbers /
> constants if possible.

I see.  In my other answer I tried to keep it as intact as possible.

I'm a bit worried about the limits on the number of fw-cfg files.

Paolo

> And, whether the "largest TSEG size" (number of MBs) that QEMU exposed
> in the new fw_cfg file depended *only* on the machine type, or on other
> config elements as well (such as max VCPU count), that would be QEMU's
> prerogative of course.
> 
> To me personally, the ability (via fw_cfg) to ask / request the
> following looks best:
> 
> - Is there a dynamic largest? (= does the fw_cfg file exist?)
> - What is it exactly? (= what are its contents?)
> - Please give me it. (= write 11b)