Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754186Ab3JLCPT (ORCPT ); Fri, 11 Oct 2013 22:15:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53240 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751318Ab3JLCPQ (ORCPT ); Fri, 11 Oct 2013 22:15:16 -0400 Date: Sat, 12 Oct 2013 10:14:39 +0800 From: Dave Young To: Matt Fleming Cc: Borislav Petkov , X86 ML , LKML , Borislav Petkov , Matthew Garrett , "H. Peter Anvin" , James Bottomley , Vivek Goyal , linux-efi@vger.kernel.org, fwts-devel@lists.ubuntu.com, pjones@redhat.com Subject: Re: [PATCH 12/12] EFI: Runtime services virtual mapping Message-ID: <20131012021439.GA4464@dhcp-16-126.nay.redhat.com> References: <1379602494-26684-1-git-send-email-bp@alien8.de> <20131008164831.GD16793@pd.tnic> <20131010080635.GA3692@dhcp-16-126.nay.redhat.com> <20131010081434.GB3692@dhcp-16-126.nay.redhat.com> <20131010085827.GA9929@pd.tnic> <20131010123453.GA12321@console-pimps.org> <20131011062437.GA14115@dhcp-16-126.nay.redhat.com> <20131011102706.GE12321@console-pimps.org> <643121905.4545046.1381498954428.JavaMail.root@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <643121905.4545046.1381498954428.JavaMail.root@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2188 Lines: 45 CCing Peter Jones .., Peter, any idea about the grub related problem? On 10/11/13 at 09:42am, Dave Young wrote: > Matt, > > The kernel I referring is the boot kernel aka the 1st kernel, > the boot loader is grub2 from Fedora 19. > > [sorry for top reply because of using webmail] > > > ----- Original Message ----- > From: "Matt Fleming" > To: "Dave Young" > Cc: "Borislav Petkov" , "X86 ML" , "LKML" , "Borislav Petkov" , "Matthew Garrett" , "H. Peter Anvin" , "James Bottomley" , "Vivek Goyal" , linux-efi@vger.kernel.org, fwts-devel@lists.ubuntu.com > Sent: Friday, October 11, 2013 6:27:06 PM > Subject: Re: [PATCH 12/12] EFI: Runtime services virtual mapping > > On Fri, 11 Oct, at 02:24:37PM, Dave Young wrote: > > For the boot efi_reserve_boot_services code, it's mainly for the > > SetVirtualAddressMap callback use, so boot regions should not be reused > > before SetVirtualAddressMap, but the overlapping happens before the > > efi_reserve_boot_services, isn't it a problem? > > Hang on, which kernel are you referring to here? The boot kernel or the > kexec'd kernel? I thought you were saying you noticed the overlap when > running in the second (kexec'd) kernel? > > The only reason that you would see this overlap in the first (boot) > kernel is if the bootloader messed up and allocated the kernel text as > EfiBootServicesCode/Data. I'd like to believe no bootloaders are still > doing that. > > -- > Matt Fleming, Intel Open Source Technology Center > -- > 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/ -- 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/