From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Williamson <alex.williamson@redhat.com>
Subject: Re: problems starting kvm-qemu with 5+ virtual functions
Date: Wed, 11 Jul 2012 14:06:28 -0600
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To: Chris Friesen <chris.friesen@genband.com>
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On Wed, 2012-07-11 at 13:56 -0600, Chris Friesen wrote:
> On 07/11/2012 01:34 PM, Alex Williamson wrote:
> >
> > The limiting factor to increasing memory slots was searching the array.
> > That's since been fixed by caching mmio page table entries.
> 
> Thanks for the confirmation of my suspicions.
> 
> Do you know roughly when this went in?  A commit ID would be great.

Almost exactly a year ago:

ce88decffd17bf9f373cc233c961ad2054965667