Messages in this thread | | | Subject | Re: [RFC PATCH V2 0/5] macvtap TX zero copy between guest and host kernel | From | Shirley Ma <> | Date | Mon, 14 Feb 2011 15:06:19 -0800 |
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On Mon, 2011-02-14 at 15:09 +0200, Michael S. Tsirkin wrote: > What's the status here? Since there are core net changes, we'll need > to > see the final version soon if it's to appear in 2.6.39.
I am updating the patch and retesting it for the new kernel. I am trying to understand why zero copy patch caused small message size guest exits doubled.
> Could the problem be related to the patch > virtio_net: Add schedule check to napi_enable call > ?
Not sure, I will retest w/i this patch.
> Also, I expect there should be driver patches for some > devices? Where are they?
Yes, a NET_F_ZEROCOPY... flag is introduced for the device we we want to support zero copy.
Thanks Shirley
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