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Date: Fri, 4 May 2007 19:50:10 -0700 From: "Michael Chan" <mchan@...adcom.com> To: "David Miller" <davem@...emloft.net> cc: jeff@...zik.org, netdev@...r.kernel.org Subject: Re: [PATCH 10/11][TG3]: Reduce spurious interrupts. David Miller wrote: > From: "Michael Chan" <mchan@...adcom.com> > Date: Fri, 04 May 2007 18:45:58 -0700 > > > We had a discussion about 2 years ago and David decided to > > remove the I/O read to improve performance. Since then a > > small number of users have been complaining about spurious > > interrupts. We can add back the unconditional read or do > > this detection thing which I agree is somewhat annoying. > > David, what do you think? > > If we get an extra interrupt, we should just silently ignore it. > > The performance impact of adding that thing back is just too great. > In a small number of cases, we really get a ton of spurious interrupts. We have even seen the kernel shutting off IRQ7 because of too many unclaimed spurious interrupts. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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