From: kuznet@ms2.inr.ac.ru
To: marko@pacujo.net (Marko Rauhamaa)
Cc: linux-kernel@vger.kernel.org, hadi@cyberus.ca (Jamal Hadi Salim),
Robert.Olsson@data.slu.se (Robert Olsson)
Subject: Re: NAPI Race?
Date: Wed, 8 Oct 2003 23:57:14 +0400 (MSD) [thread overview]
Message-ID: <200310081957.XAA01425@yakov.inr.ac.ru> (raw)
In-Reply-To: <m3smm4qvf0.fsf@lumo.pacujo.net> from "Marko Rauhamaa" at Oct 07, 2003 08:07:31 PM
Hello!
> interrupted for some other reason, the packet will get processed only at
> the next jiffie when the soft irq is invoked again.
>
> Am I mistaken?
Yes, you are wrong. It is processed as soon as possible.
> As an aside, it looks also as though the design might technically allow
> the network driver to starve the CPU (the very situation NAPI was
> designed to protect against).
Nope. NAPI is not expected to cure starvation caused by softirqs.
Alexey
next prev parent reply other threads:[~2003-10-08 19:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-08 3:07 Marko Rauhamaa
2003-10-08 11:34 ` P
2003-10-08 19:57 ` kuznet [this message]
2003-10-08 21:17 ` Marko Rauhamaa
2003-10-08 21:31 ` David S. Miller
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