Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965907Ab2JZS3A (ORCPT ); Fri, 26 Oct 2012 14:29:00 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:14960 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965556Ab2JZS26 (ORCPT ); Fri, 26 Oct 2012 14:28:58 -0400 X-Authority-Analysis: v=2.0 cv=KcBQQHkD c=1 sm=0 a=rXTBtCOcEpjy1lPqhTCpEQ==:17 a=mNMOxpOpBa8A:10 a=rDHpwsyNOsUA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=meVymXHHAAAA:8 a=HXw8KzeH-oIA:10 a=IGanJlqeM-6SkPYQ7gAA:9 a=PUjeQqilurYA:10 a=rXTBtCOcEpjy1lPqhTCpEQ==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.115.198 Message-ID: <1351276134.8467.62.camel@gandalf.local.home> Subject: Re: [PATCH 01/16] math128: Introduce various 128bit primitives From: Steven Rostedt To: Juri Lelli Cc: Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Linus Torvalds , mingo@redhat.com, oleg@redhat.com, fweisbec@gmail.com, darren@dvhart.com, johan.eker@ericsson.com, p.faure@akatech.ch, linux-kernel@vger.kernel.org, claudio@evidence.eu.com, michael@amarulasolutions.com, fchecconi@gmail.com, tommaso.cucinotta@sssup.it, nicola.manica@disi.unitn.it, luca.abeni@unitn.it, dhaval.giani@gmail.com, hgu1972@gmail.com, paulmck@linux.vnet.ibm.com, raistlin@linux.it, insop.song@ericsson.com, liming.wang@windriver.com, jkacur@redhat.com, harald.gustafsson@ericsson.com, vincent.guittot@linaro.org, Andrew Morton Date: Fri, 26 Oct 2012 14:28:54 -0400 In-Reply-To: <508AD291.1010803@gmail.com> References: <1351115634-8420-1-git-send-email-juri.lelli@gmail.com> <1351115634-8420-2-git-send-email-juri.lelli@gmail.com> <1351172849.12171.10.camel@twins> <1351241389.12171.45.camel@twins> <20121026092421.GB628@gmail.com> <1351244130.16863.7.camel@twins> <20121026094207.GA2179@gmail.com> <1351245264.16863.12.camel@twins> <1351248244.16863.13.camel@twins> <1351256204.16863.56.camel@twins> <508AD291.1010803@gmail.com> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.4.3-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 533 Lines: 16 On Fri, 2012-10-26 at 11:12 -0700, Juri Lelli wrote: > - scale down (right by 10) incoming parameters as to do internal > math with ~1us resolution (and scale up outgoing params) Would scaling down by 9 be sufficient? That way the resolution is still just less than 1us. -- Steve -- 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/