On Tue, 2013-03-05 at 17:28 +0000, Ben Hutchings wrote:
> On Tue, 2013-03-05 at 17:26 +0000, Ben Hutchings wrote:
> > On Wed, 2013-02-27 at 09:56 -0800, Eliezer Tamir wrote:
> > > Add the ixgbe driver code implementing ndo_ll_poll.
> > > It should be easy for other drivers to do something similar
> > > in order to enable support for CONFIG_INET_LL_RX_POLL
> > 
> > Yes... in fact I wonder whether the lock and state couldn't be added to
> > napi_struct instead of being driver-specific.
> [...]
> 
> That would potentially allow GRO to detect that it's being called in
> low-latency context...

Not sure we have to add another test in fast path.

Users wanting polling support should disable GRO (ethtool -K eth0 gro
off)

Doing this dynamically would be nice of course.




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