From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756567Ab2JRV5T (ORCPT ); Thu, 18 Oct 2012 17:57:19 -0400 Received: from tx2ehsobe005.messaging.microsoft.com ([65.55.88.15]:42865 "EHLO tx2outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753103Ab2JRV5S (ORCPT ); Thu, 18 Oct 2012 17:57:18 -0400 X-Forefront-Antispam-Report: CIP:163.181.249.108;KIP:(null);UIP:(null);IPV:NLI;H:ausb3twp01.amd.com;RD:none;EFVD:NLI X-SpamScore: -7 X-BigFish: VPS-7(zz98dI9371I146fI103dK1432Izz1202h1d1ah1d2ahzz8275bhz2dh668h839h944hd25hd2bhf0ah107ah1220h1288h12a5h12a9h12bdh137ah13b6h1441h1155h) X-WSS-ID: 0MC3ZN9-01-7IH-02 X-M-MSG: Date: Thu, 18 Oct 2012 16:57:07 -0500 From: Jacob Shin To: Yinghai Lu CC: Stefano Stabellini , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Tejun Heo , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH -v3 0/7] x86: Use BRK to pre mapping page table to make xen happy Message-ID: <20121018215707.GA29973@jshin-Toonie> References: <1349827115-16600-1-git-send-email-yinghai@kernel.org> <20121018162611.GA11556@jshin-Toonie> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-OriginatorOrg: amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 18, 2012 at 01:40:21PM -0700, Yinghai Lu wrote: > On Thu, Oct 18, 2012 at 9:26 AM, Jacob Shin wrote: > > i tested dom0 conf on 32 bit and 64 bit, they are all working. > > and just now I tried with mem=8944m, and they are still working. > > anyway, can you please updated -v5 for-x86-mm branch ? > I removed mark_page_ro workaround according to stefano Just tested -v5 with Xen, and Dom0 no longer dies. Also tried it on HVM DomU and also boots fine. Also tested on our 1TB machine, and it looks good, only E820_RAM are mapped: [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x00000000000983ff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000098400-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000d2000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000c7ebffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000c7ec0000-0x00000000c7ed7fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000c7ed8000-0x00000000c7ed9fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000c7eda000-0x00000000c7ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec0ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fff00000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000e037ffffff] usable [ 0.000000] BIOS-e820: [mem 0x000000e038000000-0x000000ffffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000010000000000-0x0000011ffeffffff] usable ... [ 0.000000] e820: last_pfn = 0xc7ec0 max_arch_pfn = 0x400000000 [ 0.000000] initial memory mapped: [mem 0x00000000-0x1fffffff] [ 0.000000] Base memory trampoline at [ffff880000092000] 92000 size 24576 [ 0.000000] Using GB pages for direct mapping [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x11ffee00000-0x11ffeffffff] [ 0.000000] [mem 0x11ffee00000-0x11ffeffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x11ffc000000-0x11ffedfffff] [ 0.000000] [mem 0x11ffc000000-0x11ffedfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x11f80000000-0x11ffbffffff] [ 0.000000] [mem 0x11f80000000-0x11fbfffffff] page 1G [ 0.000000] [mem 0x11fc0000000-0x11ffbffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x11000000000-0x11f7fffffff] [ 0.000000] [mem 0x11000000000-0x11f7fffffff] page 1G [ 0.000000] init_memory_mapping: [mem 0x00100000-0xc7ebffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x3fffffff] page 2M [ 0.000000] [mem 0x40000000-0xbfffffff] page 1G [ 0.000000] [mem 0xc0000000-0xc7dfffff] page 2M [ 0.000000] [mem 0xc7e00000-0xc7ebffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x100000000-0xe037ffffff] [ 0.000000] [mem 0x100000000-0xdfffffffff] page 1G [ 0.000000] [mem 0xe000000000-0xe037ffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x10000000000-0x10fffffffff] [ 0.000000] [mem 0x10000000000-0x10fffffffff] page 1G Thanks!! > > Thanks > > Yinghai >