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Re: [Xen-devel] Xen 4.3 development update

On Fri, May 10, 2013 at 11:26 AM, George Dunlap
<George.Dunlap@xxxxxxxxxxxxx> wrote:
> * AMD NPT performance regression after c/s 24770:7f79475d3de7
>   > Main issue appears to be extra lock on the MMIO path
>   > combined with no vlapic support for AMD hardware
>   > and WinXP pounding the TPR.
>   owner: ?
>   Reference: http://marc.info/?l=xen-devel&m=135075376805215
>   status: lapic fast-path patch posted, helps a bit
>    gplpv drivers with /patchtpr help significantly

I'm basically planning on moving this into the "bugs fixed" category
once the lapic fast-path patch is applied.  Any objections?


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