From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 10/11][TG3]: Reduce spurious interrupts. Date: Fri, 04 May 2007 20:47:00 -0700 (PDT) Message-ID: <20070504.204700.24899658.davem@davemloft.net> References: <20070504.194207.82054727.davem@davemloft.net> <1551EAE59135BE47B544934E30FC4FC0940105@nt-irva-0751.brcm.ad.broadcom.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jeff@garzik.org, netdev@vger.kernel.org To: mchan@broadcom.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:38726 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1423976AbXEEDq7 (ORCPT ); Fri, 4 May 2007 23:46:59 -0400 In-Reply-To: <1551EAE59135BE47B544934E30FC4FC0940105@nt-irva-0751.brcm.ad.broadcom.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: "Michael Chan" Date: Fri, 4 May 2007 19:50:10 -0700 > 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. Ok, that's a big problem. In retrospect the read back is only needed on non-MSI right? I guess that'd be ok.