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 94365C4332F for ; Sat, 11 Nov 2023 18:19:22 +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:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fB8zwJ10roNLnGRGthvjNV+IpKfD2fMWLm0OnUjk0qo=; b=m9/w9nSm6nbSaO uk0zdxG6AXeQG1U+Tq8wDVQQGC+2O3hZOQWY/eQnrUBLz5zmO+jZo0vi856RKOWiSC0Szst1lnqso hn7YVPXPcDGKnzUuohFHiMJR5I4zCGl0D6WYAWd2Yc9M7J6304IBnoM03+3jXwjODdR1DrWBq0mZi FBJAjpbdzAFBd/tBSlLOslDKpQBPdMkfInusHXRWZP9/BhUUFUwHFNCvJ+4mNYOfz7NaD3QY/p0fu tCSutBsGB7RGB5itI1jovLOdWXZ1cCWFg+aKWTSWBf0T63Zb/wnO4ONi4qseNHO2/oIISUEI5Dra9 oEj8mrxfmV6tEnWbFBMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r1sZi-00BFEf-0r; Sat, 11 Nov 2023 18:19:18 +0000 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r1sZf-00BFEG-0o for kexec@lists.infradead.org; Sat, 11 Nov 2023 18:19:17 +0000 Received: by mail-wr1-x431.google.com with SMTP id ffacd0b85a97d-32da4ffd7e5so1794599f8f.0 for ; Sat, 11 Nov 2023 10:19:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1699726753; x=1700331553; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=AwX19YfB6xOhuhaF7AppkIuMTVamx0JcuT0ZkB4r4gk=; b=acVuwx74XCew+eV+4cUz9wrHpdJreHUPaPPfQmZ4r2g2UGFUhDGvsep3Uqx0dry8kz RSGTUi3GIJndlqqWGus6kiibXpu1wssOV/mxhIA3Zj7FKVQlyvjCM0btz3m30YvDSXWG NplNNmt9lTlt9fLhS4vKZ0jQoH3S9ttDVOiuY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699726753; x=1700331553; h=content-transfer-encoding:in-reply-to:autocrypt:from:references:cc :to:content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=AwX19YfB6xOhuhaF7AppkIuMTVamx0JcuT0ZkB4r4gk=; b=LcThAtfslgaQr0fEKEALREGrrkLzHAd1i9JQOm5ZEGVRYwzITiDZEXPRiRlZaouhWK TaZ/fnDVwx35TWkRUHx3aIxeeHBr8mcCGCQ7tZXIIuoin19WU8YOYwi+Tlpc63k3Q8NQ WmiJbV0Uc7OLrGVF7mFgpaoAdkW1GJAe+S/X6lcfNVxO71h66USFGuEqKhUoLysjqlBS hN46GIdNJsejE5Vq7IcLL4o9WnhR8BOHLs9cGTt8nxOc/18+IOTaVSCn2WmdnY9QGRpf wDRmCDJ9UNXhBE8E418VIX3bG/Z+UcnhQnMxdLZhhq6RSZs6kV22y2aayWuWErTPEki7 PpJg== X-Gm-Message-State: AOJu0YxopMXigz44N8I5CBqPP8NzgUdmyO02LszTMJI0gR7hz4QwBg1p vWS242jnzc59o4PsuC2M28PZuQ== X-Google-Smtp-Source: AGHT+IHg5soWlnqBqQeGVF4JBHuusXQx/LK1k/VZf2vI1qK7tIwInDyjuvITGYsQf3WL7k0RSZyESQ== X-Received: by 2002:a5d:5a87:0:b0:32f:7d50:62f8 with SMTP id bp7-20020a5d5a87000000b0032f7d5062f8mr7611665wrb.3.1699726753314; Sat, 11 Nov 2023 10:19:13 -0800 (PST) Received: from [192.168.1.10] (host-92-26-107-252.as13285.net. [92.26.107.252]) by smtp.gmail.com with ESMTPSA id p11-20020a05600c1d8b00b003fe15ac0934sm6453897wms.1.2023.11.11.10.19.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 11 Nov 2023 10:19:13 -0800 (PST) Message-ID: Date: Sat, 11 Nov 2023 18:19:12 +0000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 06/13] x86: Add early SHA support for Secure Launch early measurements Content-Language: en-GB To: Eric Biggers , Ross Philipson Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org, linux-crypto@vger.kernel.org, iommu@lists.linux-foundation.org, kexec@lists.infradead.org, linux-efi@vger.kernel.org, dpsmith@apertussolutions.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, ardb@kernel.org, mjg59@srcf.ucam.org, James.Bottomley@hansenpartnership.com, luto@amacapital.net, nivedita@alum.mit.edu, kanth.ghatraju@oracle.com, trenchboot-devel@googlegroups.com References: <20231110222751.219836-1-ross.philipson@oracle.com> <20231110222751.219836-7-ross.philipson@oracle.com> <20231111174435.GA998@sol.localdomain> From: Andrew Cooper Autocrypt: addr=andrew.cooper3@citrix.com; keydata= xsFNBFLhNn8BEADVhE+Hb8i0GV6mihnnr/uiQQdPF8kUoFzCOPXkf7jQ5sLYeJa0cQi6Penp VtiFYznTairnVsN5J+ujSTIb+OlMSJUWV4opS7WVNnxHbFTPYZVQ3erv7NKc2iVizCRZ2Kxn srM1oPXWRic8BIAdYOKOloF2300SL/bIpeD+x7h3w9B/qez7nOin5NzkxgFoaUeIal12pXSR Q354FKFoy6Vh96gc4VRqte3jw8mPuJQpfws+Pb+swvSf/i1q1+1I4jsRQQh2m6OTADHIqg2E ofTYAEh7R5HfPx0EXoEDMdRjOeKn8+vvkAwhviWXTHlG3R1QkbE5M/oywnZ83udJmi+lxjJ5 YhQ5IzomvJ16H0Bq+TLyVLO/VRksp1VR9HxCzItLNCS8PdpYYz5TC204ViycobYU65WMpzWe LFAGn8jSS25XIpqv0Y9k87dLbctKKA14Ifw2kq5OIVu2FuX+3i446JOa2vpCI9GcjCzi3oHV e00bzYiHMIl0FICrNJU0Kjho8pdo0m2uxkn6SYEpogAy9pnatUlO+erL4LqFUO7GXSdBRbw5 gNt25XTLdSFuZtMxkY3tq8MFss5QnjhehCVPEpE6y9ZjI4XB8ad1G4oBHVGK5LMsvg22PfMJ ISWFSHoF/B5+lHkCKWkFxZ0gZn33ju5n6/FOdEx4B8cMJt+cWwARAQABzSlBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPsLBegQTAQgAJAIbAwULCQgHAwUVCgkI CwUWAgMBAAIeAQIXgAUCWKD95wIZAQAKCRBlw/kGpdefoHbdD/9AIoR3k6fKl+RFiFpyAhvO 59ttDFI7nIAnlYngev2XUR3acFElJATHSDO0ju+hqWqAb8kVijXLops0gOfqt3VPZq9cuHlh IMDquatGLzAadfFx2eQYIYT+FYuMoPZy/aTUazmJIDVxP7L383grjIkn+7tAv+qeDfE+txL4 SAm1UHNvmdfgL2/lcmL3xRh7sub3nJilM93RWX1Pe5LBSDXO45uzCGEdst6uSlzYR/MEr+5Z JQQ32JV64zwvf/aKaagSQSQMYNX9JFgfZ3TKWC1KJQbX5ssoX/5hNLqxMcZV3TN7kU8I3kjK mPec9+1nECOjjJSO/h4P0sBZyIUGfguwzhEeGf4sMCuSEM4xjCnwiBwftR17sr0spYcOpqET ZGcAmyYcNjy6CYadNCnfR40vhhWuCfNCBzWnUW0lFoo12wb0YnzoOLjvfD6OL3JjIUJNOmJy RCsJ5IA/Iz33RhSVRmROu+TztwuThClw63g7+hoyewv7BemKyuU6FTVhjjW+XUWmS/FzknSi dAG+insr0746cTPpSkGl3KAXeWDGJzve7/SBBfyznWCMGaf8E2P1oOdIZRxHgWj0zNr1+ooF /PzgLPiCI4OMUttTlEKChgbUTQ+5o0P080JojqfXwbPAyumbaYcQNiH1/xYbJdOFSiBv9rpt TQTBLzDKXok86M7BTQRS4TZ/ARAAkgqudHsp+hd82UVkvgnlqZjzz2vyrYfz7bkPtXaGb9H4 Rfo7mQsEQavEBdWWjbga6eMnDqtu+FC+qeTGYebToxEyp2lKDSoAsvt8w82tIlP/EbmRbDVn 7bhjBlfRcFjVYw8uVDPptT0TV47vpoCVkTwcyb6OltJrvg/QzV9f07DJswuda1JH3/qvYu0p vjPnYvCq4NsqY2XSdAJ02HrdYPFtNyPEntu1n1KK+gJrstjtw7KsZ4ygXYrsm/oCBiVW/OgU g/XIlGErkrxe4vQvJyVwg6YH653YTX5hLLUEL1NS4TCo47RP+wi6y+TnuAL36UtK/uFyEuPy wwrDVcC4cIFhYSfsO0BumEI65yu7a8aHbGfq2lW251UcoU48Z27ZUUZd2Dr6O/n8poQHbaTd 6bJJSjzGGHZVbRP9UQ3lkmkmc0+XCHmj5WhwNNYjgbbmML7y0fsJT5RgvefAIFfHBg7fTY/i kBEimoUsTEQz+N4hbKwo1hULfVxDJStE4sbPhjbsPCrlXf6W9CxSyQ0qmZ2bXsLQYRj2xqd1 bpA+1o1j2N4/au1R/uSiUFjewJdT/LX1EklKDcQwpk06Af/N7VZtSfEJeRV04unbsKVXWZAk uAJyDDKN99ziC0Wz5kcPyVD1HNf8bgaqGDzrv3TfYjwqayRFcMf7xJaL9xXedMcAEQEAAcLB XwQYAQgACQUCUuE2fwIbDAAKCRBlw/kGpdefoG4XEACD1Qf/er8EA7g23HMxYWd3FXHThrVQ HgiGdk5Yh632vjOm9L4sd/GCEACVQKjsu98e8o3ysitFlznEns5EAAXEbITrgKWXDDUWGYxd pnjj2u+GkVdsOAGk0kxczX6s+VRBhpbBI2PWnOsRJgU2n10PZ3mZD4Xu9kU2IXYmuW+e5KCA vTArRUdCrAtIa1k01sPipPPw6dfxx2e5asy21YOytzxuWFfJTGnVxZZSCyLUO83sh6OZhJkk b9rxL9wPmpN/t2IPaEKoAc0FTQZS36wAMOXkBh24PQ9gaLJvfPKpNzGD8XWR5HHF0NLIJhgg 4ZlEXQ2fVp3XrtocHqhu4UZR4koCijgB8sB7Tb0GCpwK+C4UePdFLfhKyRdSXuvY3AHJd4CP 4JzW0Bzq/WXY3XMOzUTYApGQpnUpdOmuQSfpV9MQO+/jo7r6yPbxT7CwRS5dcQPzUiuHLK9i nvjREdh84qycnx0/6dDroYhp0DFv4udxuAvt1h4wGwTPRQZerSm4xaYegEFusyhbZrI0U9tJ B8WrhBLXDiYlyJT6zOV2yZFuW47VrLsjYnHwn27hmxTC/7tvG3euCklmkn9Sl9IAKFu29RSo d5bD8kMSCYsTqtTfT6W4A3qHGvIDta3ptLYpIAOD2sY3GYq2nf3Bbzx81wZK14JdDDHUX2Rs 6+ahAA== In-Reply-To: <20231111174435.GA998@sol.localdomain> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231111_101915_639320_DB8E020C X-CRM114-Status: GOOD ( 11.26 ) 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="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org T24gMTEvMTEvMjAyMyA1OjQ0IHBtLCBFcmljIEJpZ2dlcnMgd3JvdGU6Cj4gT24gRnJpLCBOb3Yg MTAsIDIwMjMgYXQgMDU6Mjc6NDRQTSAtMDUwMCwgUm9zcyBQaGlsaXBzb24gd3JvdGU6Cj4+ICBh cmNoL3g4Ni9ib290L2NvbXByZXNzZWQvZWFybHlfc2hhMS5jICAgfCAxMiArKysrCj4+ICBsaWIv Y3J5cHRvL3NoYTEuYyAgICAgICAgICAgICAgICAgICAgICAgfCA4MSArKysrKysrKysrKysrKysr KysrKysrKysrCj4gSXQncyBzdXJwcmlzaW5nIHRvIHN0aWxsIHNlZSB0aGlzIG5ldyB1c2Ugb2Yg U0hBLTEgYWZ0ZXIgc28gbWFueSBwZW9wbGUgb2JqZWN0ZWQKPiB0byBpdCBpbiB0aGUgdjYgcGF0 Y2hzZXQuICBJdCdzIGFsc28gZnJ1c3RyYXRpbmcgdGhhdCB0aGUgU0hBLTEgc3VwcG9ydCBpcyBz dGlsbAo+IGJlaW5nIG9iZnVzY2F0ZWQgYnkgYmVpbmcgY29tYmluZWQgaW4gb25lIHBhdGNoIHdp dGggU0hBLTIgc3VwcG9ydCwgcGVyaGFwcyBpbgo+IGFuIGF0dGVtcHQgdG8gY29uZmxhdGUgdGhl IHR3byBhbGdvcml0aG1zIGFuZCBhdm9pZCBoYXZpbmcgdG8gZ2l2ZSBhIHJhdGlvbmFsZQo+IGZv ciB0aGUgaW5jbHVzaW9uIG9mIFNIQS0xLiAgRmluYWxseSwgbmV3IGZ1bmN0aW9ucyBzaG91bGQg bm90IGJlIGFkZGVkIHRvCj4gbGliL2NyeXB0by9zaGExLmMgdW5sZXNzIHRob3NlIGZ1bmN0aW9u cyBoYXZlIG11bHRpcGxlIHVzZXJzLgoKVGhlIHJhdGlvbmFsIHdhcyBnaXZlbi7CoCBMZXQgbWUg cmVpdGVyYXRlIGl0LgoKVGhlcmUgYXJlIHJlYWwgVFBNcyBpbiB0aGUgd29ybGQgdGhhdCBjYW4n dCB1c2UgU0hBLTIuwqAgVGhlIHVzZSBvZiBTSEEtMQppcyBuZWNlc3NhcnkgdG8gc3VwcG9ydCBE UlRNIG9uIHN1Y2ggc3lzdGVtcywgYW5kIHRoZXJlIGFyZSByZWFsIHVzZXJzCm9mIHN1Y2ggY29u ZmlndXJhdGlvbnMuCgpEUlRNIHdpdGggU0hBLTEtb25seSBpcyBhIGRhbW5zaWdodCBiZXR0ZXIg dGhhbiBubyBEVFJNLCBldmVuIGlmIFNIQS0xCmlzIGdldHRpbmcgYSBsaXR0bGUgbG9uZyBpbiB0 aGUgdG9vdGguCgpTbyB1bmxlc3MgeW91IGhhdmUgYSBjcmVkaWJsZSBwbGFuIHRvIHVwZ3JhZGUg ZXZlcnkgbm9uLVNIQS0yIFRQTSBpbiB0aGUKd29ybGQsIHlvdSBhcmUgZGVsaWJlcmF0ZWx5IGJy ZWFraW5nIHBhcnQgb2YgdGhlIHVzZWNhc2UgcGF5aW5nIGZvciB0aGUKZWZmb3J0IG9mIHRyeWlu ZyB0byB1cHN0cmVhbSBEUlRNIHN1cHBvcnQgaW50byBMaW51eC4KCn5BbmRyZXcKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlz dAprZXhlY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21h aWxtYW4vbGlzdGluZm8va2V4ZWMK