Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755152Ab3EFSBZ (ORCPT ); Mon, 6 May 2013 14:01:25 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:15672 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754406Ab3EFSBY (ORCPT ); Mon, 6 May 2013 14:01:24 -0400 X-IronPort-AV: E=Sophos;i="4.87,623,1363158000"; d="scan'208";a="44708309" Message-ID: <5187EFF3.6010005@codeaurora.org> Date: Mon, 06 May 2013 14:01:23 -0400 From: Christopher Covington User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0 MIME-Version: 1.0 To: Will Deacon CC: linux-arm-kernel@lists.infradead.org, marc.zyngier@arm.com, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips value References: <1367602547-19322-1-git-send-email-will.deacon@arm.com> In-Reply-To: <1367602547-19322-1-git-send-email-will.deacon@arm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1139 Lines: 30 Hi Will, On 05/03/2013 01:35 PM, Will Deacon wrote: > Hi all, > > This small patch set may look a little over a month late, but there is a > serious reason for posting it. > > When I moved the ARM delay loop over to using the architected timers > rather than the CPU spinning loop (which has all the problems associated > with cpu frequency scaling and what-not) I thought I was doing something > useful for the port. However, it turns out that a surprising number of > people have complained, and continue to complain, about the drop in > their `BogoMIPs score'. Have you considered adding the old code back in, but in a form that's not at all referenced by the delay loop code and just calculates CPU-based bogomips? Regards, Christopher -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by the Linux Foundation. -- 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/