netdev - Re: [PATCH 10/11][TG3]: Reduce spurious interrupts.

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Message-ID: <1178410502.4859.46.camel@dell>
Date:	Sat, 05 May 2007 17:15:02 -0700
From:	"Michael Chan" <mchan@...adcom.com>
To:	"David Miller" <davem@...emloft.net>
cc:	jeff@...zik.org, "netdev" <netdev@...r.kernel.org>
Subject: Re: [PATCH 10/11][TG3]: Reduce spurious interrupts.

On Fri, 2007-05-04 at 20:47 -0700, David Miller wrote:
> From: "Michael Chan" <mchan@...adcom.com>
> 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.
> 
Right, not needed in MSI as MSI is considered an edge interrupt.  I will
resubmit a new patch to just flush the mailbox.

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