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 B5EA5C64EC7 for ; Tue, 28 Feb 2023 19:24:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229941AbjB1TYt (ORCPT ); Tue, 28 Feb 2023 14:24:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbjB1TYr (ORCPT ); Tue, 28 Feb 2023 14:24:47 -0500 Received: from mail.ispras.ru (mail.ispras.ru [83.149.199.84]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AC8E23DAB for ; Tue, 28 Feb 2023 11:24:41 -0800 (PST) Received: from [10.10.3.121] (unknown [10.10.3.121]) by mail.ispras.ru (Postfix) with ESMTPS id 0EED340770DC; Tue, 28 Feb 2023 19:24:40 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.ispras.ru 0EED340770DC Date: Tue, 28 Feb 2023 22:24:40 +0300 (MSK) From: Alexander Monakov To: Borislav Petkov cc: Andrew Cooper , Tavis Ormandy , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: x86: AMD Zen2 ymm registers rolling back In-Reply-To: Message-ID: <3d007f98-a42a-3c0e-8d6a-c86c5d0e25be@ispras.ru> References: <0371ec3d-0899-f94a-7f21-21d805df2927@citrix.com> <4737f149-c5b7-8a51-7cc5-8bda6e98308b@ispras.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 28 Feb 2023, Borislav Petkov wrote: > On Tue, Feb 28, 2023 at 09:47:22PM +0300, Alexander Monakov wrote: > > I've seen microcode version increase after a BIOS update, > > Are you saying there's no BIOS update for your board? No, on the contrary, if there were no updates I would not be able to see microcode version increase after updating. > Are you running the latest BIOS? Yes. Alexander