Messages in this thread | | | Date | Fri, 24 Aug 2007 16:51:03 -0500 | Subject | Re: RFC: issues concerning the next NAPI interface | From | (Linas Vepstas) |
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On Fri, Aug 24, 2007 at 02:44:36PM -0700, David Miller wrote: > From: David Stevens <dlstevens@us.ibm.com> > Date: Fri, 24 Aug 2007 09:50:58 -0700 > > > Problem is if it increases rapidly, you may drop packets > > before you notice that the ring is full in the current estimated > > interval. > > This is one of many reasons why hardware interrupt mitigation > is really needed for this.
When turning off interrupts, don't turn them *all* off. Leave the queue-full interrupt always on.
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