linux-kernel - Re: [ETH] forcdeth: increase max_interrupt

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Message-ID: <20080831084824.GB2698@yamamaya.is-a-geek.org>
Date:	Sun, 31 Aug 2008 10:48:32 +0200
From:	Tobias Diedrich <ranma+kernel@...edrich.de>
To:	Joe Korty <joe.korty@...r.com>
Cc:	Ayaz Abdulla <aabdulla@...dia.com>,
	Jeff Garzik <jgarzik@...hat.com>,
	Al Viro <viro@...IV.linux.org.uk>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [ETH] forcdeth: increase max_interrupt_work

Joe Korty wrote:
> Forcedeth: increase max_interrupt_work
> 
> 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).

I'll add that I also see this warning now and then.

-- 
Tobias						PGP: http://9ac7e0bc.uguu.de
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