Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753770Ab2HKTvb (ORCPT ); Sat, 11 Aug 2012 15:51:31 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:36532 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751409Ab2HKTva (ORCPT ); Sat, 11 Aug 2012 15:51:30 -0400 Date: Sat, 11 Aug 2012 12:51:25 -0700 From: Tejun Heo To: Jacob Shin Cc: X86-ML , LKML , Yinghai Lu , "H. Peter Anvin" , Andreas Herrmann Subject: Re: [PATCH 0/5] Only create direct mappings for E820_RAM regions Message-ID: <20120811195125.GD2874@dhcp-172-17-108-109.mtv.corp.google.com> References: <1344547389-4599-1-git-send-email-jacob.shin@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1344547389-4599-1-git-send-email-jacob.shin@amd.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 727 Lines: 21 On Thu, Aug 09, 2012 at 04:23:04PM -0500, Jacob Shin wrote: > This is a revision of an earlier attempt, with suggestions and concernes > from previous conversation (https://lkml.org/lkml/2011/12/16/486) taken > into account. > > The following patchset creates direct mappings only for E820_RAM regions > between 0 ~ max_low_pfn and 4GB ~ max_pfn. And leaves non-E820_RAM > unmapped. Can you please explain why this is necessary here and in patch descriptions? Thanks. -- tejun -- 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/