netdev - Re: [RFC PATCH 1/5] net: implement support for low latency socket polling

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Message-Id: <20130305.145524.1486936679665458305.davem@davemloft.net>
Date:	Tue, 05 Mar 2013 14:55:24 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	eliezer.tamir@...ux.jf.intel.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, jesse.brandeburg@...el.com,
	e1000-devel@...ts.sourceforge.net, willemb@...gle.com,
	andi@...stfloor.org, hpa@...or.com, eliezer@...ir.org.il
Subject: Re: [RFC PATCH 1/5] net: implement support for low latency socket
 polling

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Tue, 5 Mar 2013 16:43:01 +0000

> In general it appears to require a run-time check.  You might need to
> augment <asm/timex.h>.

On the other hand, unlike get_cycles, sched_clock() is always available.
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