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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 C6CCCD767FA for ; Thu, 31 Oct 2024 19:25:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pzIHMwnCu2j7KqNlvqe2qLjHqyfnLuPicYM7uzv25J8=; b=CXccF6xblGUpgY 9/kCZFwX5V4p0naoaE8vYotIE9FFefjngKJa8Tik92FL+Zl8m7xCuVuHVxi2qSy9RdCTipGx2rqPm 5dBFhlC7FEeUIAF4n5eNvvlwq1JqHQX0JT+urPSHnL+VtohNAAbAyxwTnUj28F2YVwYy7NZcLmqCx fIlM0xqS8pzWsFBuZD9Ro6YjF7rUjQwDw5QDlerqeWBOBBbUCk3eY0uJBdLrI+bC9qWZVe2uIkJO6 L03h8BWw0ytEMSHZRdQ+q/eqyBWsAdQsGMEYATYXubNTavn1ZZi/Zb3hsGsgzyJ5PPu0SSgTRNtOx tkYusvf+Jlax7gQB6rrQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t6anM-00000004d5S-49EC; Thu, 31 Oct 2024 19:25:25 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t6anF-00000004d2X-3glb for kexec@lists.infradead.org; Thu, 31 Oct 2024 19:25:20 +0000 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1730402715; 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: in-reply-to:in-reply-to:references:references; bh=iQ+EOPL/V+hQ49Yycx1LmMX/gDzsFgIKjYT1P4zOubs=; b=vjv/af64u6mEzqmtnnI2LLHwiqEAbrxeScDOJDQ+xzgfhak0wuopvAH75wdHaIGtILg7Kp LBDNN9rPonxWJ3T8l0/HV9iryIEYfgsBQUF7r5Zox6rqNLupQFThwE8ly2YxgrkxPa3CSg PQ82uXnIJ6u+kIKsgqNiA1TG0v3YV3DOtR7hk0lMhdv3ZRjXU4sIV/dr5oTriImAIGnyvn HebLhfFGMDQtogeuUdmDzfhYi8MAoL8vmU4sCzAIig+g6oeq8werbC0UFQDPGjt+fFl3hu 0Fk4o8uuFPl/rHsJGYUO4vgPg5P1k3AkC4/pzZXkFGKiLPowTyt1u8E9aRU2wA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1730402715; 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: in-reply-to:in-reply-to:references:references; bh=iQ+EOPL/V+hQ49Yycx1LmMX/gDzsFgIKjYT1P4zOubs=; b=O304umbi8H6l/f1CHjtv+6rKM+lfYXngXWnPnxmhIZB2RBZrwBkxEAZinNpNMu0Vi+7AWR 5tv90Kg2ggamzjAg== To: Ross Philipson , linux-kernel@vger.kernel.org, x86@kernel.org, linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org, linux-crypto@vger.kernel.org, kexec@lists.infradead.org, linux-efi@vger.kernel.org, iommu@lists.linux-foundation.org Cc: ross.philipson@oracle.com, dpsmith@apertussolutions.com, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, dave.hansen@linux.intel.com, ardb@kernel.org, mjg59@srcf.ucam.org, James.Bottomley@hansenpartnership.com, peterhuewe@gmx.de, jarkko@kernel.org, jgg@ziepe.ca, luto@amacapital.net, nivedita@alum.mit.edu, herbert@gondor.apana.org.au, davem@davemloft.net, corbet@lwn.net, ebiederm@xmission.com, dwmw2@infradead.org, baolu.lu@linux.intel.com, kanth.ghatraju@oracle.com, andrew.cooper3@citrix.com, trenchboot-devel@googlegroups.com Subject: Re: [PATCH v11 00/20] x86: Trenchboot secure dynamic launch Linux kernel support In-Reply-To: <20240913200517.3085794-1-ross.philipson@oracle.com> References: <20240913200517.3085794-1-ross.philipson@oracle.com> Date: Thu, 31 Oct 2024 20:25:14 +0100 Message-ID: <87wmhoulb9.ffs@tglx> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241031_122518_080509_EEE1E348 X-CRM114-Status: GOOD ( 16.34 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Fri, Sep 13 2024 at 13:04, Ross Philipson wrote: > The larger focus of the TrenchBoot project (https://github.com/TrenchBoot) is to > enhance the boot security and integrity in a unified manner. The first area of > focus has been on the Trusted Computing Group's Dynamic Launch for establishing > a hardware Root of Trust for Measurement, also know as DRTM (Dynamic Root of > Trust for Measurement). The project has been and continues to work on providing > a unified means to Dynamic Launch that is a cross-platform (Intel and AMD) and > cross-architecture (x86 and Arm), with our recent involvment in the upcoming > Arm DRTM specification. The order of introducing DRTM to the Linux kernel > follows the maturity of DRTM in the architectures. Intel's Trusted eXecution > Technology (TXT) is present today and only requires a preamble loader, e.g. a > boot loader, and an OS kernel that is TXT-aware. AMD DRTM implementation has > been present since the introduction of AMD-V but requires an additional > component that is AMD specific and referred to in the specification as the > Secure Loader, which the TrenchBoot project has an active prototype in > development. Finally Arm's implementation is in specification development stage > and the project is looking to support it when it becomes available. > > This patchset provides detailed documentation of DRTM, the approach used for > adding the capbility, and relevant API/ABI documentation. In addition to the > documentation the patch set introduces Intel TXT support as the first platform > for Linux Secure Launch. So this looks pretty reasonable to me by now and I'm inclined to take it through the tip x86 tree, but that needs reviewed/acked-by's from the crypto and TPM folks. EFI has been reviewed already. Can we make progress on this please? Thanks, tglx _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec