From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB7ACC43441 for ; Mon, 12 Nov 2018 06:37:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF70921722 for ; Mon, 12 Nov 2018 06:37:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF70921722 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zytor.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731748AbeKLQ2v (ORCPT ); Mon, 12 Nov 2018 11:28:51 -0500 Received: from terminus.zytor.com ([198.137.202.136]:54781 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728224AbeKLQ2v (ORCPT ); Mon, 12 Nov 2018 11:28:51 -0500 Received: from carbon-x1.hos.anvin.org (c-24-5-245-234.hsd1.ca.comcast.net [24.5.245.234] (may be forged)) (authenticated bits=0) by mail.zytor.com (8.15.2/8.15.2) with ESMTPSA id wAC6aWGX3556589 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Sun, 11 Nov 2018 22:36:33 -0800 Subject: Re: [Qemu-devel] [RFC/PoC PATCH 1/3] i386: set initrd_max to 4G - 1 to allow up to 4G initrd To: Ingo Molnar Cc: Li Zhijian , Juergen Gross , Li Zhijian , Peter Maydell , x86@kernel.org, bp@alien8.de, mingo@redhat.com, tglx@linutronix.de, QEMU Developers , Philip Li , linux-kernel@vger.kernel.org, Linus Torvalds , Peter Zijlstra , Kees Cook References: <1541674784-25936-2-git-send-email-lizhijian@cn.fujitsu.com> <20181109072015.GA86700@gmail.com> <38905d35-29af-b522-1629-b13e98a47a42@intel.com> <20181112045624.GA28219@gmail.com> <20181112061940.GA61749@gmail.com> From: "H. Peter Anvin" Message-ID: <766e1f84-b8c0-db95-45d3-e624c8d61519@zytor.com> Date: Sun, 11 Nov 2018 22:36:27 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: <20181112061940.GA61749@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/11/18 10:19 PM, Ingo Molnar wrote: > > I might be a bit dense early in the morning, but could you elaborate? > What do you mean by mapping all data areas? > Heh. I need to pack for LPC and get some sleep before my flight lest I'll be denser than depleted uranium; I'll write an explanation tomorrow. -hpa