From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tushar Behera Subject: Re: ARM: Exynos: Mismatch in BogoMIPS values Date: Wed, 22 Feb 2012 11:37:47 +0530 Message-ID: <4F448633.5050101@linaro.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pz0-f46.google.com ([209.85.210.46]:62736 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877Ab2BVGHx (ORCPT ); Wed, 22 Feb 2012 01:07:53 -0500 Received: by daed14 with SMTP id d14so7737667dae.19 for ; Tue, 21 Feb 2012 22:07:52 -0800 (PST) In-Reply-To: Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Sachin Kamat Cc: Sangwook Lee , samsung@lists.linaro.org, linux-samsung-soc , Kukjin Kim , Kyungmin Park On 02/22/2012 11:01 AM, Sachin Kamat wrote: > Hi, > > The mismatch in BogoMIPS value between two cores (992 and 1992) is not > specific to Origen board. > The same is observed on SMDKV310 board as well. It looks like a common > Exynos machine problem. > > Including the mailing list for wider dissemination. > While bisecting, I found that this problem came in between 3.0 and 3.1-rc1. I could not do much bisecting beyond that as the kernel doesn't boot at many of the intermediate locations between them. > > On 21/02/2012, Sangwook Lee wrote: >> Maybe, someone missed this. > [snip] > >> >> On a side note, with linaro 3.1, when you cat /proc/cpuinfo, we get >> incorrect numbers for the BOGOMIPS for the 2 cores (900 and 1900), >> whereas on 3.0.4+ kernel, and the insignal kernel, we get the correct >> report of 1900 for both cores. >> > > -- Tushar Behera