linux-kernel - Re: [PATCH] r8169: Reduce looping in the interrupt handler.

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Date:	Sun, 30 Aug 2009 13:53:22 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	David Dillow <dave@...dillows.org>,
	Michael Riepe <michael.riepe@...glemail.com>,
	Michael Buesch <mb@...sch.de>,
	Rui Santos <rsantos@...popie.com>,
	Michael B??ker <m.bueker@...lin.de>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] r8169: Reduce looping in the interrupt handler.

Francois Romieu <romieu@...zoreil.com> writes:

> David Dillow <dave@...dillows.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
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