Re: [Xen-devel] Paging/sharing in 4.2 (Was: Re: 4.2 TODO update)

[Tim Deegan <tim@xxxxxxx>]

At 08:05 -0700 on 12 Mar (1331539511), Andres Lagar-Cavilla wrote:
> So, Tim posted a 6-patch series
> http://lists.xen.org/archives/html/xen-devel/2012-02/msg02133.html
> 
> The first four are fixes that should go in. I acked them pending some
> nits. Tim, I can re-package them and submit them myself if that would save
> you some time.
> 
> But, the core patch in that series, #5, breaks pv-on-hvm windows 7. So I'm
> afraid it's a solid nack from my end for the time being. In fact, it would
> break not just windows but any other os, should they start invoking XENMEM
> hypercalls (and who knows what else is still lurking!) more liberally.

Agreed.  I'll repost them this week, broken into the preliminary fixes
and the wait-queue change itself (which I think has to wait until after
4.2 now). 

> Apart from that I have 4 hypervisor patches that deal with some
> correctness corner cases, so I'll float them out there in short order.
> 
> There is work going on with AMD to get all these features working on their
> processors. Let's hope for a breakthrough, but if it doesn't happen, let's
> keep going forward.

Yep - Can AMD support go in as a separate "nice to have" on the list?

Tim.

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