From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [patch 5/7] forcdeth: increase max_interrupt_work Date: Sun, 02 Nov 2008 08:30:54 -0500 Message-ID: <490DAB8E.3030006@garzik.org> References: <200810292122.m9TLMGAI020173@imap1.linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, joe.korty@ccur.com, aabdulla@nvidia.com To: akpm@linux-foundation.org Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:58706 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753260AbYKBNa7 (ORCPT ); Sun, 2 Nov 2008 08:30:59 -0500 In-Reply-To: <200810292122.m9TLMGAI020173@imap1.linux-foundation.org> Sender: netdev-owner@vger.kernel.org List-ID: akpm@linux-foundation.org wrote: > From: Joe Korty > > This eliminates the following often-generated warning from my 64 bit > Opteron SMP test stand: > > eth0: too many iterations (6) in nv_nic_irq > > According to the web, the problem is that the forcedeth driver has a > too-low value for max_interrupt_work. Grepping the kernel I see that > forcedeth has the second lowest value of all ethernet drivers (ie, 6). > Most are in the 20-40 range. So this patch increases this a bit, from 6 > to 15 (at 15 forcedeth becomes the driver with third-lowest > max_interrupt_work value). > > My test stand, which used to print out the above warnings repetitively > whenever it was under heavy net load, no longer does so. > > Signed-off-by: Joe Korty > Cc: Ayaz Abdulla > Cc: Jeff Garzik > Signed-off-by: Andrew Morton > --- > > drivers/net/forcedeth.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) applied