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To: Francois Romieu <romieu@fr.zoreil.com>
Cc: David Dillow <dave@thedillows.org>,
       Michael Riepe <michael.riepe@googlemail.com>,
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       Michael B??ker <m.bueker@berlin.de>, linux-kernel@vger.kernel.org,
       netdev@vger.kernel.org
Subject: Re: [PATCH] r8169: Reduce looping in the interrupt handler.
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From: ebiederm@xmission.com (Eric W. Biederman)
Date: Sun, 30 Aug 2009 13:53:22 -0700
In-Reply-To: <20090830203735.GA24912@electric-eye.fr.zoreil.com> (Francois Romieu's message of "Sun\, 30 Aug 2009 22\:37\:35 +0200")
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Francois Romieu <romieu@fr.zoreil.com> writes:

> David Dillow <dave@thedillows.org> :
> [...]
>> It'll be this weekend, but I can see cases where it can lock my chip up
>> -- they should be rare, but then I thought your case would be extremely
>> rare...
>
> I don't get it.
>
> Can you elaborate the relevant cases or give some sample scenarios for
> them ?

I think David is referring to the fact that in the NAPI loop there is
nothing that acks everything.

Eric