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[92.26.98.202]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a073cbedf4sm110267f8f.45.2025.04.24.11.51.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Apr 2025 11:51:22 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 1e269c21-213d-11f0-9eb2-5ba50f476ded DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1745520683; x=1746125483; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=kiZhF9VOYBl77ZWu0EdxEQfJfSR+cAOs0BJKXG22QIk=; b=uyoSh+ADfnhTveKkvTqGOKc3fLPBun8qUO4ejHyAZxTOLUy/qYxMUD81YedMD/uOJq dyTIjO6RgpvDqi197MNdGBQDppPHuF+BJo9JBIObQOmfjijJUHRwaexxeG06Oz3xUfh8 1x+hSe5B2l7fQulqEaeHF5u+MkYpAsTOmdBqs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1745520683; x=1746125483; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=kiZhF9VOYBl77ZWu0EdxEQfJfSR+cAOs0BJKXG22QIk=; b=CVe4YW8hR4XejxDBJYG4Fg1rFRROqxKLbVyS+iKpP4mDEnxt82ucHBU5FHj8zhf+nf wQFOu1CEM4otnAKGdSAlfCFJzaxr/kX2JEGjozTZG/oOE/HSyuTu+pCAgx2sdwOYspUa x7nzt1BZDJag119a6u6FoJIJiWLvXgZUW8fpHkNaocmwbNvcUWNqLrmF/MInxdDc4YbF jqE5ijsaZAqJTJzZplQ7bm5XdwRIG1E00DNNSbm0/R47K/wMReCB7jRPiqDyqR7Tqlas wV5A5FjdJ+R7jYlIHeHZa3+FiKAfATF/wj8SWVbC8tm5iPjVuxDX3nC5Uz6h29gg+59Q rGHw== X-Gm-Message-State: AOJu0YwTo3tjvWHd04ZVZSpcEEp+wDcXyYboQoepZte4rztrTwfch2oe 05petFb7ojc524ECe4vELA7Vjo3pgnGPWWwyZIUJ9XvDL/XhNNrHwVBUv91gZYQ= X-Gm-Gg: ASbGncsboJfUS0o2OnOWUitSv2dPnDvrhQHohf3SYlAczVFRWeIDIzb6l5poVTss4YB tfP7Z6bpk82iK6juqiQr92+tLXR0g3dlpfzCISY5gfgyFBqwXpz5i/FeGBBJmk9GdNAr8wXru7v fWG9FjOTaonxSYdWMZ4BpCddyXtRc6JpxZMKXVSXnEFLrKDg5KUeeyCRr0d2OFor+lRPFZx30YW Gf7bFby/AFTZcps5xTbAcsSMbji7b9ynGpxfNOyP0W+iLhjNLVrvV1Lg/uZ+5LrUR10Sn39BJ4W JM9AHfMXCsc/8N/HPuB0hPne9veLMsehQ2iFJBcyLTnUEePdr5cGU/mjjiVBsAGONYUci75C03O baFQIKQ== X-Google-Smtp-Source: AGHT+IG1pjRRTV9+sQ0Hbt/wmB0mYpTvHbyBCtQye77xEnQSUintBb/6G0PeSTLKIksO9hi+5hL4oQ== X-Received: by 2002:a5d:47ae:0:b0:39c:1257:ccb0 with SMTP id ffacd0b85a97d-3a072bfa76emr348702f8f.59.1745520682522; Thu, 24 Apr 2025 11:51:22 -0700 (PDT) Message-ID: <99e2fd35-4241-4be5-a81b-c7ea6cd54597@citrix.com> Date: Thu, 24 Apr 2025 19:51:21 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/21] x86: Trenchboot Secure Launch DRTM (Xen) To: Sergii Dmytruk Cc: xen-devel@lists.xenproject.org, Jan Beulich , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Lukasz Hawrylko , "Daniel P. Smith" , =?UTF-8?Q?Mateusz_M=C3=B3wka?= , Anthony PERARD , Michal Orzel , Julien Grall , Stefano Stabellini , =?UTF-8?Q?Marek_Marczykowski-G=C3=B3recki?= , trenchboot-devel@googlegroups.com References: <744934f4-f56f-4dc7-bccb-c32f2829d1da@citrix.com> <010709d8-7784-41bf-bcb6-bf04803a75fc@citrix.com> <6ae5f0a2-8055-45e1-933c-199d6c6d8626@citrix.com> Content-Language: en-GB 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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 24/04/2025 7:47 pm, Sergii Dmytruk wrote: >> Alignment that large is unexpected, and I suspect we want to fix it.  Is >> it pre-existing, or something introduced by your series? >> >> ~Andrew > Pre-existing one. I can see `-N` is already passed to `ld`: > > -N, --omagic Do not page align data, do not make text readonly > > Specifying `--section-alignment 512 --file-alignment 512 --nmagic` > didn't reduce the alignment. Statistics so far: > > Give 0x1000 offset: > GNU ld (GNU Binutils for Debian) 2.31.1 > GNU ld version 2.38-27.fc37 > > Give 0x440 offset: > GNU ld (GNU Binutils for Debian) 2.40 > GNU ld (GNU Binutils for Debian) 2.41 > > Maybe that's not something configurable and just needs a newer version. Ah - that's something that was changed literally yesterday: https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=d444763f8ca556d0a67a4b933be303d346baef02 in order to fix some problems we've had trying to get xen.efi happy to be NX_COMPAT. We couldn't identify any good reason why -N was in use. ~Andrew