linux-kernel - Re: [RFC PATCH 0/2] net: threadable napi poll loop

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Message-Id: <20160510.115138.1825421050410315543.davem@davemloft.net>
Date:	Tue, 10 May 2016 11:51:38 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	pabeni@...hat.com, netdev@...r.kernel.org, edumazet@...gle.com,
	jiri@...lanox.com, daniel@...earbox.net, ast@...mgrid.com,
	aduyck@...antis.com, tom@...bertland.com, peterz@...radead.org,
	mingo@...nel.org, riel@...hat.com, hannes@...essinduktion.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] net: threadable napi poll loop

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 10 May 2016 07:29:50 -0700

> We already have ksoftirqd to normally cope with the case you are
> describing.
> 
> If it is not working as intended, please identify the bugs and fix them,
> instead of adding yet another tests in fast path and extra complexity in
> the stack.

+1

Indeed, if ksoftirqd is not doing it's job, please fix it.  It is designed
exactly to deal with the problems described here.