From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 22 Feb 2016 19:38:24 +0100 (CET) Received: from mail-pa0-f48.google.com ([209.85.220.48]:34281 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27011154AbcBVSiXD0ctN (ORCPT ); Mon, 22 Feb 2016 19:38:23 +0100 Received: by mail-pa0-f48.google.com with SMTP id fy10so95059946pac.1 for ; Mon, 22 Feb 2016 10:38:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=iGpOxUzQd0p5kC0OOIcZHizEpUxVMVt9PzXizcCJzGI=; b=JwziAswcthGYM3mXF6m9mYqlbOr7FJwABl3kz3lgem0b75lmewAVcySSNWBDiLsZjJ mVU/y9VxMdfjViPZg1s/JRvpsfv/QugGcSrnGP8Ez6/P/k+rMdRU18mvPpD4HWAAHpvv bdrTedCCnaLZwI0jZZOgHo7Lg7cIVW7ZhUPVUxjp3Mm3bNsGnUopa1dQcenlgMADfwfT OIBHJWqw62y3d4Fieq8dXSl0p/up6qKqP4CqPkHVNF1qL9lZrkW4jR5iVBco7cahw+zo VmqHxrpJzh9/EmsJVH8DFamx4q1darHvjSYjbYoMbT/7b5/6w5ASpNA8e3S3r0GfV5OU NHHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=iGpOxUzQd0p5kC0OOIcZHizEpUxVMVt9PzXizcCJzGI=; b=BGzjXRhmX/a2Atah38RkgTiWIse7U29k2depKJeWNUQCqVtmS2sOKMzMW8e+SfWyl+ QxmOSSRfOMTLqskw2LR5bjKk36r1GEkX9binBC9bkA+i0/OEt6Q56Xm59vXEelLpIQNa ZLT+BNnu/YfGZTbsnsYczuChl5/WGvx/Q1KT1bHDXMceZ/RxDRPe+PW7mL2HUanaFu51 IIwg627B7XcHS8eb1q0DNO1K11Wue3a5AUnVNDp2eHMn0pIvSKEOaY1aRBaoR+4Jh7cs CM2fqo6KizDNSCr169L+Z2gtI78yi2BF+nHfIU1YuHUvmbIuTaq0MfuxiKOdBlvbSPvr 7l1w== X-Gm-Message-State: AG10YOT+QSHKfuQr/BiJxbC1Ooi8HdGz44xlNw/rKz+O7aarv66pndaZOio8j6rCGRdv4g== X-Received: by 10.66.102.40 with SMTP id fl8mr39238681pab.126.1456166297102; Mon, 22 Feb 2016 10:38:17 -0800 (PST) Received: from dl.caveonetworks.com ([64.2.3.194]) by smtp.googlemail.com with ESMTPSA id s23sm38531096pfi.12.2016.02.22.10.38.14 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 22 Feb 2016 10:38:15 -0800 (PST) Message-ID: <56CB5595.1090505@gmail.com> Date: Mon, 22 Feb 2016 10:38:13 -0800 From: David Daney User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Yang Shi CC: david.daney@cavium.com, linux-mips@linux-mips.org Subject: Re: Does CN68XX still need DCache prefetch workaround? References: <56CB51CE.6070905@windriver.com> In-Reply-To: <56CB51CE.6070905@windriver.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 52158 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ddaney.cavm@gmail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips On 02/22/2016 10:22 AM, Yang Shi wrote: > I David, > > When I booted up 4.5-rc4 kernel on CN68xx board, both pass 1.1 and pass > 2.2 reports: > > Kernel panic - not syncing: OCTEON II DCache prefetch workaround not in > place (cfa00000). > Please build kernel with proper options (CONFIG_CAVIUM_CN63XXP1). > > According to the description of he option, it should just have impact on > 63xx pass 1.x. It looks confusing. > The name of the Kconfig variable is CAVIUM_CN63XXP1. It turns out that it is also needed for somethings that are not cn63xxP1. It is a bit confusing, but as of now we decided not to rename the Kconfig variable. > Any hint is appreciated? Enable it and see what happens. > > Thanks, > Yang >