lkml.org 
[lkml]   [2004]   [Sep]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [patch] voluntary-preempt-2.6.9-rc1-bk4-R0

    * 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.

    Ingo
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:05    [W:0.036 / U:32.432 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site