Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 5 Mar 2015 00:35:45 +0100 | From | Ingo Molnar <> | Subject | Re: [regression v4.0-rc1] mm: IPIs from TLB flushes causing significant performance degradation. |
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* Dave Chinner <david@fromorbit.com> wrote:
> > After going through the series again, I did not spot why there is > > a difference. It's functionally similar and I would hate the > > theory that this is somehow hardware related due to the use of > > bits it takes action on. > > I doubt it's hardware related - I'm testing inside a VM, [...]
That might be significant, I doubt Mel considered KVM's interpretation of pte details?
Thanks,
Ingo
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