Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753569AbWKRAVE (ORCPT ); Fri, 17 Nov 2006 19:21:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756098AbWKRAVD (ORCPT ); Fri, 17 Nov 2006 19:21:03 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:19139 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1753561AbWKRAVA (ORCPT ); Fri, 17 Nov 2006 19:21:00 -0500 Date: Sat, 18 Nov 2006 01:20:41 +0100 From: Pavel Machek To: Vivek Goyal Cc: linux kernel mailing list , Reloc Kernel List , ebiederm@xmission.com, akpm@osdl.org, ak@suse.de, hpa@zytor.com, magnus.damm@gmail.com, lwang@redhat.com, dzickus@redhat.com, rjw@sisk.pl Subject: Re: [PATCH 13/20] x86_64: 64bit PIC ACPI wakeup trampoline Message-ID: <20061118002041.GE9188@elf.ucw.cz> References: <20061117223432.GA15449@in.ibm.com> <20061117225103.GN15449@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061117225103.GN15449@in.ibm.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1235 Lines: 31 On Fri 2006-11-17 17:51:03, Vivek Goyal wrote: > > > o Moved wakeup_level4_pgt into the wakeup routine so we can > run the kernel above 4G. > > o Now we first go to 64bit mode and continue to run from trampoline and > then then start accessing kernel symbols and restore processor context. > This enables us to resume even in relocatable kernel context when > kernel might not be loaded at physical addr it has been compiled for. > > o Removed the need for modifying any existing kernel page table. > > o Increased the size of the wakeup routine to 8K. This is required as > wake page tables are on trampoline itself and they got to be at 4K > boundary, hence one page is not sufficient. > > Signed-off-by: Eric W. Biederman > Signed-off-by: Vivek Goyal Looks okay to me, ACK. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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/