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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA78BC433F5 for ; Mon, 11 Apr 2022 15:55:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348319AbiDKP6I (ORCPT ); Mon, 11 Apr 2022 11:58:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348400AbiDKP5y (ORCPT ); Mon, 11 Apr 2022 11:57:54 -0400 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A74081A804; Mon, 11 Apr 2022 08:55:39 -0700 (PDT) Received: from zn.tnic (p2e55dff8.dip0.t-ipconnect.de [46.85.223.248]) (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 1A6C51EC051F; Mon, 11 Apr 2022 17:55:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1649692534; 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=+qm6xxaKZ1LEXRx+Q8w+uMhxMAISclspO9iaopSo6C4=; b=EpI4AFGUegZ/8pATs/HB27ODf/aTQFNOqs1L5bF6c/6VW28wW7C07qKtAn1UY6hIcAHcqr X7cTScH/818ZNmY/9bhit78ZT54ChEl1N9WwhrbGljuJj/DpDeSeqIHo5Pi7dhyevmonbB rZUXmrNhqpuaAEtbh5J7J4E8ZeivFhY= Date: Mon, 11 Apr 2022 17:55:33 +0200 From: Borislav Petkov To: Dave Hansen Cc: "Kirill A. Shutemov" , "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 , Peter Zijlstra , Paolo Bonzini , Ingo Molnar , Varad Gautam , Dario Faggioli , Brijesh Singh , Mike Rapoport , David Hildenbrand , x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, Mike Rapoport Subject: Re: [PATCHv4 1/8] mm: Add support for unaccepted memory Message-ID: References: <20220405234343.74045-1-kirill.shutemov@linux.intel.com> <20220405234343.74045-2-kirill.shutemov@linux.intel.com> <93a7cfdf-02e6-6880-c563-76b01c9f41f5@intel.com> <20220409175210.xik3ue3shpagskvi@box.shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org On Sun, Apr 10, 2022 at 11:41:57PM -0700, Dave Hansen wrote: > Let's just call out the possible (probable?) need for new ABI here. > Maybe it will cue folks who care to speak up. Err, why would you teach the user to go poke at some arbitrary sysfs nodes when the accepting code can simply issue a printk from time to time "Guest unnaccepted memory progress: XX%. This slows down operations at the moment." -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette