Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751272AbbBEFZa (ORCPT ); Thu, 5 Feb 2015 00:25:30 -0500 Received: from mail-ig0-f176.google.com ([209.85.213.176]:51526 "EHLO mail-ig0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750973AbbBEFZ2 (ORCPT ); Thu, 5 Feb 2015 00:25:28 -0500 MIME-Version: 1.0 In-Reply-To: <20150205032504.GB1903@darkstar.redhat.com> References: <1423015400-12629-1-git-send-email-yinghai@kernel.org> <20150205032504.GB1903@darkstar.redhat.com> Date: Wed, 4 Feb 2015 21:25:26 -0800 X-Google-Sender-Auth: Y9tOIPT5KmBFeV1vgmBL77u2eFQ Message-ID: Subject: Re: [PATCH] x86, boot: Allow 64bit EFI kernel to be loaded above 4G From: Yinghai Lu To: Dave Young Cc: Thomas Gleixner , "H. Peter Anvin" , Ingo Molnar , Jonathan Corbet , Matt Fleming , Kees Cook , Junjie Mao , "linux-doc@vger.kernel.org" , "linux-efi@vger.kernel.org" , Linux Kernel Mailing List Content-Type: multipart/mixed; boundary=001a1140e9221b456e050e50887e Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 29352 Lines: 410 --001a1140e9221b456e050e50887e Content-Type: text/plain; charset=UTF-8 On Wed, Feb 4, 2015 at 7:25 PM, Dave Young wrote: >> After this patch, could use patched grub2-x86_64.efi to place >> kernel/boot_params/cmd_line/initrd all above 4G and execute the kernel >> above 4G. > > Can you share the grub2 patch for testing? Please check attached 5 patches. last one is for debug purpose. You need to apply them on top of git://git.savannah.gnu.org/grub.git plus http://pkgs.fedoraproject.org/cgit/grub2.git/plain/0091-Add-support-for-linuxefi.patch --001a1140e9221b456e050e50887e Content-Type: text/x-patch; charset=US-ASCII; name="ramdisk_above_4g_7_1.patch" Content-Disposition: attachment; filename="ramdisk_above_4g_7_1.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_i5rp3ze20 U3ViamVjdDogW1BBVENIXSB1cGRhdGUgc2V0dXBfaGVhZGVyIGFuZCBib290X3BhcmFtcyB0byAy LjEyCgp0aGUgb25lIHRoYXQgaXMgdXNlZCBieSBrZXJuZWwgdjMuOC4uLgoKCi0tLQogaW5jbHVk ZS9ncnViL2kzODYvbGludXguaCB8ICAgMTYgKysrKysrKysrKysrLS0tLQogMSBmaWxlIGNoYW5n ZWQsIDEyIGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCgpJbmRleDogZ3J1Yi9pbmNsdWRl L2dydWIvaTM4Ni9saW51eC5oCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIGdydWIub3JpZy9pbmNsdWRlL2dydWIv aTM4Ni9saW51eC5oCisrKyBncnViL2luY2x1ZGUvZ3J1Yi9pMzg2L2xpbnV4LmgKQEAgLTEzMCw3 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