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 3082DC7EE30 for ; Wed, 1 Mar 2023 08:54:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229691AbjCAIyY (ORCPT ); Wed, 1 Mar 2023 03:54:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229535AbjCAIyW (ORCPT ); Wed, 1 Mar 2023 03:54:22 -0500 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDBE927D42 for ; Wed, 1 Mar 2023 00:54:21 -0800 (PST) Received: from zn.tnic (p5de8e9fe.dip0.t-ipconnect.de [93.232.233.254]) (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 811471EC0681; Wed, 1 Mar 2023 09:54:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1677660859; 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=h9OzoO8BwJRWdt8QQxNJzzTsc9R3SK88Pzp09E1lOCI=; b=e0h2jbtA1ThBQcIjHR4sOfcO0HQsXLZDydvBdPiH2w+IKHkbIR/ccYeqErH9NgM4WwHfOw f1zJsewybeM89b7xOW8VjnuWpcz9cLeS2xxfZ9Lx5n0lUut9IqMlc75JL84Q1pjSEFFPDO Ia55om2jfrj5Qh/hxi61PkGeEqij59Q= Date: Wed, 1 Mar 2023 09:54:14 +0100 From: Borislav Petkov To: Andrew Cooper Cc: Alexander Monakov , Tavis Ormandy , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: x86: AMD Zen2 ymm registers rolling back Message-ID: References: <0371ec3d-0899-f94a-7f21-21d805df2927@citrix.com> <4737f149-c5b7-8a51-7cc5-8bda6e98308b@ispras.ru> <3d007f98-a42a-3c0e-8d6a-c86c5d0e25be@ispras.ru> <4d21fe93-7b77-bf5a-9ba8-645256ab0983@ispras.ru> <7ce3ea01-9758-0a97-e810-2bf38e7d59a7@ispras.ru> <2eccf8e2-4aa3-dcda-064d-ca39d2295548@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <2eccf8e2-4aa3-dcda-064d-ca39d2295548@citrix.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 01, 2023 at 12:23:01AM +0000, Andrew Cooper wrote: > So we need a table for all Zen2 parts of ucode revisions below which we > force hide XSAVES as the erratum workaround. Working on it - stay tuned. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette