[Xen-devel] Re: [PATCH] xen: core dom0 support

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Ingo Molnar wrote:
> Personally i'd like to see a sufficient reply to the mmap-perf 
> paravirt regressions pointed out by Nick and reproduced by 
> myself as well. (They were in the 4-5% macro-performance range 
> iirc, which is huge.)
> So i havent seen any real progress on reducing native kernel 
> overhead with paravirt. Patches were sent but no measurements 
> were done and it seemed to have all fizzled out while the dom0 
> patches are being pursued.
>   
Hm, I'm not sure what you want me to do here.  I sent out patches, they 
got merged, I posted the results of my measurements showing that the 
patches made a substantial improvement.  I'd love to see confirmation 
from others that the patches help them, but I don't think you can say 
I've been unresponsive about this.
   J

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