Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755975Ab3CETz2 (ORCPT ); Tue, 5 Mar 2013 14:55:28 -0500 Received: from shards.monkeyblade.net ([149.20.54.216]:53670 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753309Ab3CETz1 (ORCPT ); Tue, 5 Mar 2013 14:55:27 -0500 Date: Tue, 05 Mar 2013 14:55:24 -0500 (EST) Message-Id: <20130305.145524.1486936679665458305.davem@davemloft.net> To: bhutchings@solarflare.com Cc: eliezer.tamir@linux.jf.intel.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, jesse.brandeburg@intel.com, e1000-devel@lists.sourceforge.net, willemb@google.com, andi@firstfloor.org, hpa@zytor.com, eliezer@tamir.org.il Subject: Re: [RFC PATCH 1/5] net: implement support for low latency socket polling From: David Miller In-Reply-To: <1362501781.2791.19.camel@bwh-desktop.uk.solarflarecom.com> References: <20130227175549.10611.82188.stgit@gitlad.jf.intel.com> <20130227175555.10611.42794.stgit@gitlad.jf.intel.com> <1362501781.2791.19.camel@bwh-desktop.uk.solarflarecom.com> X-Mailer: Mew version 6.5 on Emacs 24.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (shards.monkeyblade.net [0.0.0.0]); Tue, 05 Mar 2013 11:55:31 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 502 Lines: 12 From: Ben Hutchings Date: Tue, 5 Mar 2013 16:43:01 +0000 > In general it appears to require a run-time check. You might need to > augment . On the other hand, unlike get_cycles, sched_clock() is always available. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/