On Mon, 2016-05-16 at 15:37 +0300, Nikolay Borisov wrote: > > Oops, turned out I had intel_iommu=on, though I'm sure some days ago I > didn't and performance suffered. I now tried with this option removed > and performance is again back to normal. All in all this driver + > intel_iommu is a bad combination I guess. Anyway, sorry for the noise > and thanks for the prompt reply. I would be very interested to see your results with the latest code from git://git.infradead.org/intel-iommu.git (and with the IOMMU still enabled). -- David Woodhouse Open Source Technology Centre David.Woodhouse@xxxxxxxxx Intel Corporation
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