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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1D13DC36000 for ; Thu, 20 Mar 2025 08:34:48 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tvBMH-00079y-83; Thu, 20 Mar 2025 04:34:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tvBMF-00079d-9d for qemu-devel@nongnu.org; Thu, 20 Mar 2025 04:34:31 -0400 Received: from mail.8bytes.org ([85.214.250.239]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tvBMD-0007ni-Hc for qemu-devel@nongnu.org; Thu, 20 Mar 2025 04:34:30 -0400 Received: from 8bytes.org (p4ffe03ae.dip0.t-ipconnect.de [79.254.3.174]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id F198B46439; Thu, 20 Mar 2025 09:34:27 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=8bytes.org; s=default; t=1742459668; bh=mnGDn9QpgIz0zOYk4P1kUnJ1i1kyi5RThDPuC2VkI/U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=e7C/3cRVpIj8uwUc71kv3FVck9BHlkvDRHFrT2ld6GsBw7RSerT+RG9giiyympWMI XZ613y3qitUn8jVKIEZkoYNkYBWk1d4xGG8C56MMBk+452AXJtaYvCGJV8OKgxM/4Q 3RpVzCEBhwXznuWyDXU0TPNCtodiSwJ6up6Tj0kb6ECY1O8lB5sSYadXTM5dvQJ1TK B56nmr7au+60TBtw/oBttEDneSvu6kgU/VrZiHqhW9KMYl24mwjt6NjvGrB/JCYYSm cxPyI01ENoQWOSyeWzNLZCPE3kTEItptpBVT2/8Ad9CFWxP5LR3fYjzziGnL+671Q3 V9FvyhdzMP5oA== Date: Thu, 20 Mar 2025 09:34:26 +0100 From: =?iso-8859-1?Q?J=F6rg_R=F6del?= To: Gerd Hoffman Cc: Alexander Graf , Ani Sinha , Paolo Bonzini , Eduardo Habkost , Marcel Apfelbaum , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Yanan Wang , Zhao Liu , Richard Henderson , "Michael S. Tsirkin" , Fabiano Rosas , Laurent Vivier , Igor Mammedov , Vitaly Kuznetsov , qemu-devel@nongnu.org Subject: Re: [PATCH v6] hw/misc/vmfwupdate: Introduce hypervisor fw-cfg interface support Message-ID: References: <85a9745d-e3b3-4e0e-90ad-066e6dcc25c1@amazon.com> <4593a2fe-098b-488b-9d55-1adc1e970f59@amazon.com> <6684f169-29d6-4f46-b274-1efd4c191b21@amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=85.214.250.239; envelope-from=joro@8bytes.org; helo=mail.8bytes.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, Mar 18, 2025 at 12:11:02PM +0100, Gerd Hoffman wrote: > Open questions: > > - Does the idea to use igvm parameters for the kernel hashes makes > sense? Are parameters part of the launch measurement? Parameters itself are fully measured, their presence is, but not their data. This is to keep the same launch measurements across different platform configurations. So for hashes it is best to put some on some measured page and let the parameters point to it. Regards, Joerg