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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABB0DC43334 for ; Sun, 17 Jul 2022 17:16:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BE9056B0071; Sun, 17 Jul 2022 13:16:55 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B71E96B0072; Sun, 17 Jul 2022 13:16:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A129D6B0073; Sun, 17 Jul 2022 13:16:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 8D7386B0071 for ; Sun, 17 Jul 2022 13:16:55 -0400 (EDT) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 415272032A for ; Sun, 17 Jul 2022 17:16:55 +0000 (UTC) X-FDA: 79697246790.27.AEFB886 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by imf25.hostedemail.com (Postfix) with ESMTP id ACD22A0088 for ; Sun, 17 Jul 2022 17:16:49 +0000 (UTC) Received: from zn.tnic (p200300ea97297694329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ea:9729:7694:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 213E61EC00F8; Sun, 17 Jul 2022 19:16:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1658078197; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=YMyRMtPkAHFEJeFlvvh7As/CmA56O06Fs8vTb9G0On4=; b=NjA9bS4O6bVxhNEDGAr9WgB6eGW0WbnqYgLiVPeKtwN7ATIzlWyhQOvcxnxfqJ6yoEX2XE Bh8d+arMLXrlPA7tVeGKYc+VD5FScRS0U3BhUUovD/2iMNW2PwiCT9Xp3Q2fEZNkJKwtEd R1JtfB7Btx8JubJXOlp3JKhR+eTf0yQ= Date: Sun, 17 Jul 2022 19:16:32 +0200 From: Borislav Petkov To: "Kirill A. Shutemov" Cc: Peter Zijlstra , "Kirill A. Shutemov" , Andy Lutomirski , Sean Christopherson , Andrew Morton , Joerg Roedel , Ard Biesheuvel , Andi Kleen , Kuppuswamy Sathyanarayanan , David Rientjes , Vlastimil Babka , Tom Lendacky , Thomas Gleixner , Paolo Bonzini , Ingo Molnar , Varad Gautam , Dario Faggioli , Dave Hansen , Mike Rapoport , David Hildenbrand , marcelo.cerri@canonical.com, tim.gardner@canonical.com, khalid.elmously@canonical.com, philip.cox@canonical.com, x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCHv7 05/14] x86/boot: Add infrastructure required for unaccepted memory support Message-ID: References: <20220614120231.48165-1-kirill.shutemov@linux.intel.com> <20220614120231.48165-6-kirill.shutemov@linux.intel.com> <20220615150534.ylkref3runa4kmyj@box.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220615150534.ylkref3runa4kmyj@box.shutemov.name> ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=temperror ("DNS error when getting key") header.d=alien8.de header.s=dkim header.b=NjA9bS4O; dmarc=temperror reason="SPF/DKIM temp error" header.from=alien8.de (policy=temperror); spf=temperror (imf25.hostedemail.com: error in processing during lookup of bp@alien8.de: DNS error) smtp.mailfrom=bp@alien8.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1658078214; a=rsa-sha256; cv=none; b=2SMOvR2ZLmTQF/moWN1xclpEsNXsCndJlBGYK5zfCaCCa/2LGY+eXajm/seKqWutpdXX7F Yhds9bw5QJYt0SHPKC1ax2L11usnjq7k3KTV13HkVy9hqBVEzJuFRRf+uJ9NAAifgfh2N6 eVq7uVOK3vGoDRP8A/6/ly69iuqm1sE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1658078214; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=YMyRMtPkAHFEJeFlvvh7As/CmA56O06Fs8vTb9G0On4=; b=4E4A/9OmLPfvAxjgOTfX+vuxOj0it2u34IUjIKGlX33zwYFRrPs4yOpcXhuNtkjNOzE0vR oKrWrZgEMqI2seA1+Y9dKHemmBoK3LTXMcls/1ZBlwsjqQDRWZkE7KtZJd9R+TVU8u8uLg E0DdHSQaCd77cJWF7DfaXzAg/S75UUU= Authentication-Results: imf25.hostedemail.com; dkim=temperror ("DNS error when getting key") header.d=alien8.de header.s=dkim header.b=NjA9bS4O; dmarc=temperror reason="SPF/DKIM temp error" header.from=alien8.de (policy=temperror); spf=temperror (imf25.hostedemail.com: error in processing during lookup of bp@alien8.de: DNS error) smtp.mailfrom=bp@alien8.de X-Rspam-User: X-Stat-Signature: iy18diq9raoc19afs6a13mxuna5ktcjn X-Rspamd-Queue-Id: ACD22A0088 X-Rspamd-Server: rspam03 X-HE-Tag: 1658078209-970602 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Jun 15, 2022 at 06:05:34PM +0300, Kirill A. Shutemov wrote: > It also sounds painfully similar to uapi/ project. I'm not sure we want to > go this path. It is the same path perf tool is taking - see first paragraph: https://lore.kernel.org/r/YtQM40VmiLTkPND2@kernel.org I don't want to deal with the regular breakages or hacks to boot/compressed/ just because little duplication. We copy the header once and that's it - it doesn't even have to get updated like perf tool does from time to time. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette