On Sat, Oct 12, 2013 at 10:14:39AM +0800, Dave Young wrote: > CCing Peter Jones .., Peter, any idea about the grub related problem? What grub problem? As Matt was saying, grub2 isn't loading it as EfiBootServicesCode/Data. grub2 is loading it as EfiLoaderData . > > 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" <matt@xxxxxxxxxxxxxxxxx> > > To: "Dave Young" <dyoung@xxxxxxxxxx> > > Cc: "Borislav Petkov" <bp@xxxxxxxxx>, "X86 ML" <x86@xxxxxxxxxx>, "LKML" <linux-kernel@xxxxxxxxxxxxxxx>, "Borislav Petkov" <bp@xxxxxxx>, "Matthew Garrett" <mjg59@xxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, "James Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, "Vivek Goyal" <vgoyal@xxxxxxxxxx>, linux-efi@xxxxxxxxxxxxxxx, fwts-devel@xxxxxxxxxxxxxxxx > > 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@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ -- Peter -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
