Re: [PATCH 3/5] vhost: support upto 509 memory regions

[Paolo Bonzini]

On 17/06/2015 08:34, Michael S. Tsirkin wrote:
>>> > > 
>>> > > Also - 509?
>> > userspace memory slots in terms of KVM, I made it match
>> > KVM's allotment of memory slots for userspace side.
> Maybe KVM has its reasons for this #.

Nice power of two (512) - number of reserved slots required by Intel's
virtualization extensions (3: APIC access page, EPT identity page table,
VMX task state segment).

Paolo

 I don't see
> why we need to match this exactly.
> 
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