Messages in this thread | | | Date | Fri, 3 Sep 2004 00:14:02 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-R0 |
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* Lee Revell <rlrevell@joe-job.com> wrote:
> > i've given up on the netdev_backlog_granularity approach, and as a > > replacement i've modified specific network drivers to return at a safe > > point if softirq preemption is requested. > > Makes sense, netdev_max_backlog never made a difference on my system > (via-rhine driver).
via-rhine does RX processing from the hardirq handler, this codepath is harder to break up. The NAPI ->poll functions used by e100 and 8193too are much easier to break up because RX throttling and re-trying is a basic property of NAPI.
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