From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18640C5DF64 for ; Wed, 6 Nov 2019 17:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0785217D7 for ; Wed, 6 Nov 2019 17:58:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="nPgclH4n" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732424AbfKFR6v (ORCPT ); Wed, 6 Nov 2019 12:58:51 -0500 Received: from terminus.zytor.com ([198.137.202.136]:39153 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727397AbfKFR6u (ORCPT ); Wed, 6 Nov 2019 12:58:50 -0500 Received: from [IPv6:2601:646:8600:3281:adfc:245e:17b7:39c3] ([IPv6:2601:646:8600:3281:adfc:245e:17b7:39c3]) (authenticated bits=0) by mail.zytor.com (8.15.2/8.15.2) with ESMTPSA id xA6Huv4Q961810 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Wed, 6 Nov 2019 09:57:02 -0800 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.zytor.com xA6Huv4Q961810 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019091901; t=1573063025; bh=o6xliq1yN4/+nK8dGGImbCX2PNM/ohBM3dagy4vL754=; h=Date:In-Reply-To:References:Subject:To:CC:From:From; b=nPgclH4nMtbQ8UfGwygCasCgN6IoeV+EpUy5/3dLimB/x0V+ZOS/1v69nOqvKLjyl UVkmYWRjgVm/tTKcbuYFoJsVloKj41EdZJ809hhD5f8GnNLc0EoTOykyJu9LXvBDJx egAHsjXTaD8QRl7xOkHrK/R2Cmb2quVJVyJXnMMoZPiqjRikl0dRVC9D4RuI9vED0/ lZq/abejpSSyvE1WLODo2w9OjR9BfsGRRGBiq9I5nd4NDIjE8g/DXwLfItjrCJX6bD fw1bjRVh9jpsFyN7HUXKIsvDS702sx+otdr3QZFgXjtuc9+B6GxF2Eaur+/TQQGZRY KEDqPZD/uyQzw== Date: Wed, 06 Nov 2019 09:56:48 -0800 User-Agent: K-9 Mail for Android In-Reply-To: <20191106170333.GD28380@zn.tnic> References: <20191104151354.28145-1-daniel.kiper@oracle.com> <20191106170333.GD28380@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH v5 0/3] x86/boot: Introduce the kernel_info et consortes To: Borislav Petkov , Daniel Kiper CC: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, xen-devel@lists.xenproject.org, ard.biesheuvel@linaro.org, boris.ostrovsky@oracle.com, corbet@lwn.net, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, eric.snowberg@oracle.com, jgross@suse.com, kanth.ghatraju@oracle.com, konrad.wilk@oracle.com, mingo@redhat.com, rdunlap@infradead.org, ross.philipson@oracle.com, tglx@linutronix.de From: hpa@zytor.com Message-ID: <3EABBAB2-5BEF-4FEE-8BB4-9EB4B0180B10@zytor.com> Sender: linux-efi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org On November 6, 2019 9:03:33 AM PST, Borislav Petkov wrote: >On Mon, Nov 04, 2019 at 04:13:51PM +0100, Daniel Kiper wrote: >> Hi, >>=20 >> Due to very limited space in the setup_header this patch series >introduces new >> kernel_info struct which will be used to convey information from the >kernel to >> the bootloader=2E This way the boot protocol can be extended regardless >of the >> setup_header limitations=2E Additionally, the patch series introduces >some >> convenience features like the setup_indirect struct and the >> kernel_info=2Esetup_type_max field=2E > >That's all fine and dandy but I'm missing an example about what that'll >be used for, in practice=2E > >Thx=2E For one thing, we already have people asking for more than 4 GiB worth of = initramfs, and especially with initramfs that huge it would make a *lot* of= sense to allow loading it in chunks without having to concatenate them=2E = I have been asking for a long time for initramfs creators to split the kern= el-dependent and kernel independent parts into separate initramfs modules= =2E --=20 Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E