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 DE81AC19F32 for ; Thu, 27 Feb 2025 16:31:47 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tngnB-0003DO-PI; Thu, 27 Feb 2025 11:31:21 -0500 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 1tngmn-0002wh-28 for qemu-devel@nongnu.org; Thu, 27 Feb 2025 11:31:02 -0500 Received: from mail-ej1-x629.google.com ([2a00:1450:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tngmf-0004vI-7a for qemu-devel@nongnu.org; Thu, 27 Feb 2025 11:30:52 -0500 Received: by mail-ej1-x629.google.com with SMTP id a640c23a62f3a-ab78e6edb99so156162566b.2 for ; Thu, 27 Feb 2025 08:30:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740673840; x=1741278640; darn=nongnu.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=uO1689xvk+TlKlzBCtodcTbVEduWVyIaWUSdWM4KIzg=; b=cC9eM2Wep08w5KCjMCzNVq2YhABYFjFBJGT8VJAPJTbNlH1rmTcPlThfQ3HiEnyRjp hILBENoi6yxLoxiak3+IiPEyEn8pecGk5bZ7ghVvFXqZ9sUXcWKnyJNj4ZD7GDmcuXCn VEL8/Oza1ut/R73RF5JoLq/eEDUKUJhk9QXdFmPI6HT+mW3uFtr4X6EVHk25mFJqJKjF e3o7p++Lw62QtRZPp8kykA78ENSm0OC4w7adYp0z4VOXeUS+7s94FKsalUEQgBgKCM9F eQ/Gvxfe/pFEbEAkH/Db/5IPinnOZs2rTUZHyThCYqicgpxac4uLVaeyikVBDuD5jvEe GkOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740673840; x=1741278640; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=uO1689xvk+TlKlzBCtodcTbVEduWVyIaWUSdWM4KIzg=; b=ub6whuPMto8+WZnSO8SvcVA6oywD1l7Pi8jozvY4sKWfUV6pRK2b4PmOBbOqtkBoGK KdeveUkD6rUq39ekpCHk560gsQ/+pxj8/tBcThav1e2wTXswbjbkLdfShOeqS7PCml1W 0OKf3M7gCd+apRhScDKy6vJAdDNP4vYv6YZQHsI8qkcO/YtX4aIteKD8CAW2kof9NSWX rcRKVispT3q9QhQQ0VnM9HUW/Rfj0iB7fKIRkaBmS9BZVZpBRqhnLPJrB+Y00fFzLWWM Btp+kvQxYjOzl/KrcSbRAJrkdja4/ho0tG3VOjpI2XlCdSRNH2HMxFBd4QG6HsG7Sov4 Xzrg== X-Forwarded-Encrypted: i=1; AJvYcCW2QvAExRWx8X64t383sAb0h5JHkofIwWrFVLr9gjOGRtmHHoZZ/FB/Q4KPJ1zxyEawxi/FNjPjYrmH@nongnu.org X-Gm-Message-State: AOJu0YzWlcSvo9bS1p10L6SlhCbG9Wv0PHEfbaVbq/eUI2h5OSmYve5k 0eemiwDfDmiXK0bh/nL2LXf0HEamm3qQkJoawLdpsQpkEdb70ao9 X-Gm-Gg: ASbGnctPoJHwlxDHKmvIxlJEGtwEcjG2YMUaeUPtQxExQHUIaEMFdzXyH/S+DLNIHFb 9PGItTYDaroA6AJO9NmS3Ofy3z1vypQIKZifb/e5NpXOCezd83rLzI0iKS06IPFzZPNGAtBr42Y G9x1v1AM2ghcmqGEWhrX1ywfz18cHH+fs598A0IJ5FyjX4R8bBRKuYNuovsnA+zozFVuIqEi1+b /gK8nLAQDsoKN9o8Pw52FL9qQD93qcvv/nY6wBShE0vatjdF2xV7k68XA+IwPj51Xgg6aGncHOL yWhrTs/Nrr0CFz7nDlwp3eZDGToMVv/9W/sa9mQ7m2wuAQxg0pkHtmSIdfCcklUzbtr8etcn4kk I9RfmkUo= X-Google-Smtp-Source: AGHT+IGzelRPWfeFipIB/F4GaEgnsqOh8sVGlh9zTp8YJ9TfIpAv4bd/zArwblq6NyDWvfMjBBuh1A== X-Received: by 2002:a17:906:f597:b0:abe:bfdd:e68c with SMTP id a640c23a62f3a-abf25d94352mr9995066b.4.1740673839926; Thu, 27 Feb 2025 08:30:39 -0800 (PST) Received: from ?IPv6:2001:b07:5d29:f42d:d6d5:ac54:57ce:812a? ([2001:b07:5d29:f42d:d6d5:ac54:57ce:812a]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-abf0c6ed6d0sm147202666b.107.2025.02.27.08.30.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Feb 2025 08:30:39 -0800 (PST) Message-ID: Subject: Re: [PATCH v7 28/52] i386/tdx: Wire TDX_REPORT_FATAL_ERROR with GuestPanic facility From: Francesco Lavra To: Xiaoyao Li , Paolo Bonzini , "Daniel P." =?ISO-8859-1?Q?Berrang=E9?= , Philippe =?ISO-8859-1?Q?Mathieu-Daud=E9?= , Igor Mammedov Cc: Zhao Liu , "Michael S. Tsirkin" , Eric Blake , Markus Armbruster , Peter Maydell , Marcelo Tosatti , Huacai Chen , Rick Edgecombe , qemu-devel@nongnu.org, kvm@vger.kernel.org Date: Thu, 27 Feb 2025 17:30:38 +0100 In-Reply-To: <20250124132048.3229049-29-xiaoyao.li@intel.com> References: <20250124132048.3229049-1-xiaoyao.li@intel.com> <20250124132048.3229049-29-xiaoyao.li@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.46.4-2 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::629; envelope-from=francescolavra.fl@gmail.com; helo=mail-ej1-x629.google.com 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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 T24gRnJpLCAyMDI1LTAxLTI0IGF0IDA4OjIwIC0wNTAwLCBYaWFveWFvIExpIHdyb3RlOgo+IGRp ZmYgLS1naXQgYS9zeXN0ZW0vcnVuc3RhdGUuYyBiL3N5c3RlbS9ydW5zdGF0ZS5jCj4gaW5kZXgg MjcyODAxZDMwNzY5Li5jNDI0NGM4OTE1YzYgMTAwNjQ0Cj4gLS0tIGEvc3lzdGVtL3J1bnN0YXRl LmMKPiArKysgYi9zeXN0ZW0vcnVuc3RhdGUuYwo+IEBAIC01NjUsNiArNTY1LDYwIEBAIHN0YXRp YyB2b2lkIHFlbXVfc3lzdGVtX3dha2V1cCh2b2lkKQo+IMKgwqDCoMKgIH0KPiDCoH0KPiDCoAo+ ICtzdGF0aWMgY2hhciAqdGR4X3BhcnNlX3BhbmljX21lc3NhZ2UoY2hhciAqbWVzc2FnZSkKPiAr ewo+ICvCoMKgwqAgYm9vbCBwcmludGFibGUgPSBmYWxzZTsKPiArwqDCoMKgIGNoYXIgKmJ1ZiA9 IE5VTEw7Cj4gK8KgwqDCoCBpbnQgbGVuID0gMCwgaTsKPiArCj4gK8KgwqDCoCAvKgo+ICvCoMKg wqDCoCAqIEFsdGhvdWdoIG1lc3NhZ2UgaXMgZGVmaW5lZCBhcyBhIGpzb24gc3RyaW5nLCB3ZSBz aG91bGRuJ3QKPiArwqDCoMKgwqAgKiB1bmNvbmRpdGlvbmFsbHkgdHJlYXQgaXQgYXMgaXMgYmVj YXVzZSB0aGUgZ3Vlc3QgZ2VuZXJhdGVkIGl0Cj4gYW5kCj4gK8KgwqDCoMKgICogaXQncyBub3Qg bmVjZXNzYXJpbHkgdHJ1c3RhYmxlLgo+ICvCoMKgwqDCoCAqLwo+ICvCoMKgwqAgaWYgKG1lc3Nh Z2UpIHsKPiArwqDCoMKgwqDCoMKgwqAgLyogVGhlIGNhbGxlciBndWFyYW50ZWVzIHRoZSBOVUxM LXRlcm1pbmF0ZWQgc3RyaW5nLiAqLwo+ICvCoMKgwqDCoMKgwqDCoCBsZW4gPSBzdHJsZW4obWVz c2FnZSk7Cj4gKwo+ICvCoMKgwqDCoMKgwqDCoCBwcmludGFibGUgPSBsZW4gPiAwOwo+ICvCoMKg wqDCoMKgwqDCoCBmb3IgKGkgPSAwOyBpIDwgbGVuOyBpKyspIHsKPiArwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCBpZiAoISgweDIwIDw9IG1lc3NhZ2VbaV0gJiYgbWVzc2FnZVtpXSA8PSAweDdlKSkg ewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcHJpbnRhYmxlID0gZmFsc2U7Cj4g K8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBicmVhazsKPiArwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCB9Cj4gK8KgwqDCoMKgwqDCoMKgIH0KPiArwqDCoMKgIH0KPiArCj4gK8KgwqDCoCBp ZiAobGVuID09IDApIHsKPiArwqDCoMKgwqDCoMKgwqAgYnVmID0gZ19tYWxsb2MoMSk7Cj4gK8Kg wqDCoMKgwqDCoMKgIGJ1ZlswXSA9ICdcMCc7Cj4gK8KgwqDCoCB9IGVsc2Ugewo+ICvCoMKgwqDC oMKgwqDCoCBpZiAoIXByaW50YWJsZSkgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIC8qIDMg PSBsZW5ndGggb2YgIiUwMnggIiAqLwo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGJ1ZiA9IGdf bWFsbG9jKGxlbiAqIDMpOwo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGZvciAoaSA9IDA7IGkg PCBsZW47IGkrKykgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgaWYgKG1lc3Nh Z2VbaV0gPT0gJ1wwJykgewo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oCBicmVhazsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIH0gZWxzZSB7Cj4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHNwcmludGYoYnVmICsgMyAqIGks ICIlMDJ4ICIsIG1lc3NhZ2VbaV0pOwo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAg fQo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIH0KPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBp ZiAoaSA+IDApIHsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIC8qIHJlcGxhY2Ug dGhlIGxhc3QgJyAnKHNwYWNlKSB0byBOVUxMICovCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCBidWZbaSAqIDMgLSAxXSA9ICdcMCc7Cj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqAg fSBlbHNlIHsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGJ1ZlswXSA9ICdcMCc7 Cj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqAgfQo+ICsKPiArwqDCoMKgwqDCoMKgwqAgfSBlbHNl IHsKPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBidWYgPSBnX21hbGxvYyhsZW4pOwo+ICvCoMKg wqDCoMKgwqDCoMKgwqDCoMKgIG1lbWNweShidWYsIG1lc3NhZ2UsIGxlbik7CgpUaGlzIGZhaWxz IHRvIG51bGwtdGVybWluYXRlIHRoZSBtZXNzYWdlIHN0cmluZyBpbiBidWYuCgo=