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 14215C4332F for ; Tue, 15 Nov 2022 15:22:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232114AbiKOPWl (ORCPT ); Tue, 15 Nov 2022 10:22:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231210AbiKOPWk (ORCPT ); Tue, 15 Nov 2022 10:22:40 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D90F18374; Tue, 15 Nov 2022 07:22:39 -0800 (PST) Received: from zn.tnic (p200300ea9733e7da329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ea:9733:e7da: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 AFEEB1EC02F2; Tue, 15 Nov 2022 16:22:37 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1668525757; 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=B64mdOFdT9uTOfYjl9ll3tHMRZvvBJ1CeVd454LiI/w=; b=pFcmHugbADL2DSRItZt5Vs6GYiAwP5C4H7GwzbzykfoflNfCHtY31ltt1srrkXZ8fdm5CM qCtoY3uier2iX7TxnpLGBJO3tX/QDKE70/Wc34RhyUpm6UC0WfS6wgMW5ahFVGVMMa+DnH NpK0pB/JVpKsAKoozrLB9VdwGTq4fEU= Date: Tue, 15 Nov 2022 16:22:37 +0100 From: Borislav Petkov To: Vlastimil Babka Cc: "Kalra, Ashish" , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev, linux-mm@kvack.org, linux-crypto@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, jroedel@suse.de, thomas.lendacky@amd.com, hpa@zytor.com, ardb@kernel.org, pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, jmattson@google.com, luto@kernel.org, dave.hansen@linux.intel.com, slp@redhat.com, pgonda@google.com, peterz@infradead.org, srinivas.pandruvada@linux.intel.com, rientjes@google.com, dovmurik@linux.ibm.com, tobin@ibm.com, michael.roth@amd.com, kirill@shutemov.name, ak@linux.intel.com, tony.luck@intel.com, marcorr@google.com, sathyanarayanan.kuppuswamy@linux.intel.com, alpergun@google.com, dgilbert@redhat.com, jarkko@kernel.org, "Kaplan, David" , Naoya Horiguchi , Miaohe Lin , Oscar Salvador Subject: Re: [PATCH Part2 v6 14/49] crypto: ccp: Handle the legacy TMR allocation when SNP is enabled Message-ID: References: <3a51840f6a80c87b39632dc728dbd9b5dd444cd7.1655761627.git.ashish.kalra@amd.com> <380c9748-1c86-4763-ea18-b884280a3b60@amd.com> <6511c122-d5cc-3f8d-9651-7c2cd67dc5af@amd.com> <7882353e-2b13-d35a-b462-cef35ee56f51@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7882353e-2b13-d35a-b462-cef35ee56f51@suse.cz> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Nov 15, 2022 at 04:14:42PM +0100, Vlastimil Babka wrote: > but maybe we could just put the pages on some leaked lists without > special page? The only thing that should matter is not to free the > pages to the page allocator so they would be reused by something else. As said on IRC, I like this a *lot*. This perfectly represents what those leaked pages are: leaked, cannot be used and lost. Certainly not hwpoisoned. Yeah, that's much better. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette