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 6FFECC25B7F for ; Wed, 16 Aug 2023 21:37:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346556AbjHPVhU (ORCPT ); Wed, 16 Aug 2023 17:37:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346558AbjHPVhM (ORCPT ); Wed, 16 Aug 2023 17:37:12 -0400 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 069CEDC for ; Wed, 16 Aug 2023 14:37:11 -0700 (PDT) Received: by mail-ed1-x52d.google.com with SMTP id 4fb4d7f45d1cf-51e24210395so4634a12.0 for ; Wed, 16 Aug 2023 14:37:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1692221829; x=1692826629; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=YuS/h2vqI/TNPK9231HrTTQYLYSfNx8VEdjhqDSvM3I=; b=helse5TTvzZY/qTqKQTbEcpAcGKVIMSS+veWN85WXQrNlm0siGnScoCzZD8MCsfECD QRihKUKeWHsfQOiwE7tw4K5WXklYPEvemLJRonlY9rOTUM4asY1XTTJLHUfmM+X/9uP0 DtiOoLukejrn0fRTSEqBLlrK3Qc3TRXlxrUPe9PJH1uOZ3eAHeSAdYdC6j1z7HGes60Q 687SyPBO5UmoiCTaTl7OwfNMfMVIE3TQKQPWUOC/UtiHM3/idR9wIXXZGyuYGMVhJ3sJ KYnqYhs1WMpyGkC3Hd/l9VKbAhdzEc6L3xP0G2YLesEfmsU3SjFzU/32QfUxWGbfjXqO zLdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692221829; x=1692826629; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YuS/h2vqI/TNPK9231HrTTQYLYSfNx8VEdjhqDSvM3I=; b=C6qI6kylyp3MdH3sDihPCZ4fDtjDZbHKOzf5+G3aEEliuggJQpjGbkqLV3iLxsloxw sQ4gicJaSAyfue0g9RtJG+Bj5emvAYbZkhBrNYRSed2huWWN6FnZ5cpYLsP5MzOjyY47 CfHor9QmzcLZKCi7BO757Mmg2DawNiuYtVtmL6aGiMjuaTSk2wK4Kvuh+JqTytHK9m7A 31A5ifDcip/tJu838vdLNqp56Lbb2QAuD0T7EVhxrECQTHDtdxqW0v9zCzYiCJ/PPLpc Lotc0KZJkHVFr4q+6znmuvEQuGrEergasxG1trYsWathPx8W+XXmBwvDBy5a3bEF5gZm 6BKw== X-Gm-Message-State: AOJu0Ywj7fhP4tS4C7AcQJ1qSyoBi/xeZpW2A75+6XSGsCc0PDdvDCw3 lPBz/Z3FeEoQlKgRSc6WyfkNXJBrcaAAJsZjxLClQjD549eZiTvpXsg= X-Google-Smtp-Source: AGHT+IFLzRtJKBX8YjOUOQM+tpZWRF1Q+hVPwQ6nUbKCf8DPEnAyUtLixog8aRzSs9I/KwfH16HW7TOFPbSEzOxVvp0= X-Received: by 2002:a50:a45b:0:b0:523:bdc9:48a9 with SMTP id v27-20020a50a45b000000b00523bdc948a9mr36864edb.0.1692221829436; Wed, 16 Aug 2023 14:37:09 -0700 (PDT) MIME-Version: 1.0 References: <12a12721-239b-457e-1ff7-f98c02cb7abe@intel.com> <20230816201700.589822-1-jmattson@google.com> <20230816211821.GUZN09HTGo+yQ2+jd7@fat_crate.local> <20230816213025.GVZN0/8cjvLebNANTq@fat_crate.local> In-Reply-To: <20230816213025.GVZN0/8cjvLebNANTq@fat_crate.local> From: Jim Mattson Date: Wed, 16 Aug 2023 14:36:57 -0700 Message-ID: Subject: Re: [PATCH 1/2] x86/microcode/AMD: Load late on both threads too To: Borislav Petkov Cc: dave.hansen@intel.com, linux-kernel@vger.kernel.org, stable@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 16, 2023 at 2:30=E2=80=AFPM Borislav Petkov wrot= e: > > On Wed, Aug 16, 2023 at 02:23:52PM -0700, Jim Mattson wrote: > > Specifically, "Security Version Numbers (SVNs) of the currently > > executing platform firmware and microcode." > > Yes, I know the microcode revision is part of the attestation. > > What exactly are you asking? > > If you don't state your question, how do you expect me to answer? Doesn't this render that attestation misleading, since the microcode patch may not have been loaded on all logical processors? -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette