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 CF5C8CCA47B for ; Mon, 27 Jun 2022 22:33:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238829AbiF0Wd4 (ORCPT ); Mon, 27 Jun 2022 18:33:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238985AbiF0Wd4 (ORCPT ); Mon, 27 Jun 2022 18:33:56 -0400 Received: from mail-io1-f47.google.com (mail-io1-f47.google.com [209.85.166.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39630186DD; Mon, 27 Jun 2022 15:33:55 -0700 (PDT) Received: by mail-io1-f47.google.com with SMTP id m13so11208329ioj.0; Mon, 27 Jun 2022 15:33:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=32Nxg6F78wS9IwAB+Cxihgn8oha1HxjScddi+4nCHG4=; b=MFjl4T8BhY+ZkdPda+caNxtnUdckkOz6NIz5Mxzvw2HAj9PYycbXNKcFd7cbmj3XDO HauwaYrdjrtnZIk73vXETqvWJnXIbolQ9SG3GUuRiFhgRkgy2WxoTz8SlMDUoQdxAzaT XHH4nbbPCzgf32z3fGsYNmo4gzqF3GqeOKG00VgNp9/UfSqsdBi7a2p4GFQ3Ae1dhKKu XxaEpoa62hpCqkJK5KW13DCYGpwfZFK48uL3DUVS8jRd/mMNjCkgfeEWwsB/tu/BvoMO 8f8UzjuHQM/8OHWKlHVR1e7XvVzjOqG5ISDP2vYDa536yh5tBc5hbgG879nHzwQT0orP LPFw== X-Gm-Message-State: AJIora/PN1bRV5F54WcXHnTw5QQ53dZvnpVsb8ZzQWbIPC7JRUklHWOY iH9ypoTtgmLFw+tTieuumw== X-Google-Smtp-Source: AGRyM1uizCsd2c8405104reVZ4+WqtbFQDYdp2onLnzKzFfvElEFQ48+N7iSI1kQlWIgwkVWg4FWcw== X-Received: by 2002:a05:6638:d4d:b0:333:1aea:4b9f with SMTP id d13-20020a0566380d4d00b003331aea4b9fmr9645855jak.149.1656369234311; Mon, 27 Jun 2022 15:33:54 -0700 (PDT) Received: from robh.at.kernel.org ([64.188.179.253]) by smtp.gmail.com with ESMTPSA id q4-20020a5d87c4000000b0066961821575sm5863196ios.34.2022.06.27.15.33.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 15:33:53 -0700 (PDT) Received: (nullmailer pid 3088698 invoked by uid 1000); Mon, 27 Jun 2022 22:33:52 -0000 Date: Mon, 27 Jun 2022 16:33:52 -0600 From: Rob Herring To: Stefan Berger Cc: kexec@lists.infradead.org, devicetree@vger.kernel.org, linux-integrity@vger.kernel.org, nayna@linux.ibm.com, nasastry@in.ibm.com Subject: Re: [PATCH v2 0/3] tpm: Preserve TPM measurement log across kexec Message-ID: <20220627223352.GA3082294-robh@kernel.org> References: <20220616154130.2052541-1-stefanb@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220616154130.2052541-1-stefanb@linux.ibm.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu, Jun 16, 2022 at 11:41:27AM -0400, Stefan Berger wrote: > The of-tree driver does not currently preserve the IBM vTPM 1.2 and > vTPM 2.0 measurement logs across a kexec. This series fixes this for the > kexec_file_load() syscall using the flattened device tree (fdt) to > carry the measurement log's buffer across kexec. As mentioned in v1, please Cc other folks that might care about TPMs and kexec. I'm sure it's not only IBM. Rob