From nobody Sat Nov 15 14:54:44 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=fail (BodyHash is different from the expected one); dmarc=pass(p=quarantine dis=none) header.from=akamai.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1750103050148736.2563428659718; Mon, 16 Jun 2025 12:44:10 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uRFjl-0003xr-04; Mon, 16 Jun 2025 15:43:21 -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 1uRFjh-0003xX-3U; Mon, 16 Jun 2025 15:43:17 -0400 Received: from mx0a-00190b01.pphosted.com ([67.231.149.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uRFjf-0003EX-0m; Mon, 16 Jun 2025 15:43:16 -0400 Received: from pps.filterd (m0409409.ppops.net [127.0.0.1]) by m0409409.ppops.net-00190b01. (8.18.1.2/8.18.1.2) with ESMTP id 55GAOC8j009608; Mon, 16 Jun 2025 20:43:08 +0100 Received: from prod-mail-ppoint5 (prod-mail-ppoint5.akamai.com [184.51.33.60] (may be forged)) by m0409409.ppops.net-00190b01. (PPS) with ESMTPS id 479jdw2ayj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 16 Jun 2025 20:43:08 +0100 (BST) Received: from pps.filterd (prod-mail-ppoint5.akamai.com [127.0.0.1]) by prod-mail-ppoint5.akamai.com (8.18.1.2/8.18.1.2) with ESMTP id 55GIcfnw021332; Mon, 16 Jun 2025 12:43:07 -0700 Received: from email.msg.corp.akamai.com ([172.27.50.206]) by prod-mail-ppoint5.akamai.com (PPS) with ESMTPS id 47972ahdqj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 16 Jun 2025 12:43:06 -0700 Received: from ustx2ex-exedge3.msg.corp.akamai.com (172.27.50.214) by ustx2ex-dag4mb7.msg.corp.akamai.com (172.27.50.206) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 16 Jun 2025 12:43:06 -0700 Received: from ustx2ex-exedge4.msg.corp.akamai.com (172.27.50.215) by ustx2ex-exedge3.msg.corp.akamai.com (172.27.50.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 16 Jun 2025 14:43:05 -0500 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (72.247.45.132) by ustx2ex-exedge4.msg.corp.akamai.com (172.27.50.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10 via Frontend Transport; Mon, 16 Jun 2025 12:43:05 -0700 Received: from SA0PR17MB4299.namprd17.prod.outlook.com (2603:10b6:806:e2::12) by BY1PR17MB6784.namprd17.prod.outlook.com (2603:10b6:a03:530::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.28; Mon, 16 Jun 2025 19:43:02 +0000 Received: from SA0PR17MB4299.namprd17.prod.outlook.com ([fe80::2d2f:3703:1db2:1d95]) by SA0PR17MB4299.namprd17.prod.outlook.com ([fe80::2d2f:3703:1db2:1d95%7]) with mapi id 15.20.8835.027; Mon, 16 Jun 2025 19:43:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; h=cc :content-id:content-transfer-encoding:content-type:date:from :message-id:mime-version:subject:to; s=jan2016.eng; bh=qkiwZwLG2 XW6FAEqiOFMk9WWNuH9NcTbphtyEGXr1bA=; b=g5ilzt9fNPS09Lch7vWs1bXHZ 4KbiXjr65k5sRsC35qbbCqW9JqJsQ9pgskcp43z+hZVc2XiyeoM1qoy0iRa2Bwks uJstA2NOtVQN2YS5UHn8FVy8ZF313qeX59zlUXb8YFBCb7DG/ty2p3bDoj/SdSJd 3gqQsrht2Lj+JvSNgnILRRzhZi4jLGyxg4VTi+4HEuVotyxytpmAcmWArdidsJlW iZdBqYhKxP/sHarKxpzzsDBO9TDhRdPXD7rUpv+4DHIDKdhPsLM2S/7LBaTSrUoa QFkciu5EKJsSK/aeGeH+L3cU8FpkCQp45r+Fr8JIn8PPnWH1ZxsYoXH05rVBA== From: "Chaney, Ben" To: Peter Xu , David Hildenbrand CC: "Michael S. Tsirkin" , "yury-kotov@yandex-team.ru" , "dgilbert@redhat.com" , "beata.michalska@linaro.org" , "richard.henderson@linaro.org" , "alex.bennee@linaro.org" , "peter.maydell@linaro.org" , "junyan.he@intel.com" , "imammedo@redhat.com" , "qemu-devel@nongnu.org" , "pbonzini@redhat.com" , "philmd@linaro.org" , "xiaoguangrong.eric@gmail.com" , "Tottenham, Max" , "Hunt, Joshua" , "Glasgall, Anna" , "qemu-stable@nongnu.org" Subject: [Patch] Don't sync volatile memory Thread-Topic: [Patch] Don't sync volatile memory Thread-Index: AQHb3vbfaBRDRG/7dE6gY1mmDUji3g== Date: Mon, 16 Jun 2025 19:43:02 +0000 Message-ID: <7987BFFC-D46A-4BAB-8973-F30E6689E05F@akamai.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SA0PR17MB4299:EE_|BY1PR17MB6784:EE_ x-ms-office365-filtering-correlation-id: 997f0f58-d432-4d12-c325-08ddad0e01c4 x-ld-processed: 514876bd-5965-4b40-b0c8-e336cf72c743,ExtAddr x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; ARA:13230040|366016|376014|7416014|1800799024|10070799003|38070700018; x-microsoft-antispam-message-info: =?utf-8?B?eGZIRm5Yd3BGZG5NRjhEalJMOUFWc2d2TlNkUDBZSmdxVzh3dERuNG0vUXhQ?= =?utf-8?B?cWdiZUtwZWdTUUp3OFpiU2JCR0VDaGNrOWdFUFpXOVR5MThuWk4yNFBIRm9t?= =?utf-8?B?VTNwcjNPQzFhZ20rbGwrTmEvN1FVY3JHVGRzNkVPaFlKNjdCRW8zRTRMWEt2?= =?utf-8?B?MUFyWUxuR0ZDQlBMUUJrQTZVUFh0UFFGcDhOSTVuU0xub2tDdlZkNzlTc2Iv?= =?utf-8?B?M21QcjRwem1uUGdLdmtBaGJHbHU2VEdmNDBTcnQyS3ZKZFFjbDZxc1BKQTRl?= =?utf-8?B?NUduN2pEcG00RUNzWWx1dG5uVnJmcExhWUVtNTdwQURMeVBPY2hWZ3hYbVhu?= =?utf-8?B?VEl5Umk1TGtWZEtSbFMrcVBTck1jZExLazRRZmZaczlXSDFjbk5MdDZoL1Mr?= =?utf-8?B?eTNXazROUlVMelBMeWlhM2d1NHkrc05DM2RSRXZVMzVOYW9hS3FMd0pXS0lr?= =?utf-8?B?blVKYS91a1N4UlRBNlVLY0RFclRWYzFaZUJORXNCcjhwYXZhb1cxdWxFL0hi?= =?utf-8?B?b3pxcHh0MVRJalU2SnJTL09NUEFmRzU0cjRZQzZ1S0ZTV0N6VTBHc0dhcjc3?= =?utf-8?B?SWpWdXBBNldmMkFMdyt0TkliUFNHUlJKdFd2SmJRVFRSNUdFeFhXQ2V5Mzha?= =?utf-8?B?Uzl0QmtZaWxuRTJMWFYwenBlTi80dS8wTVhhOWVRU3l3RjJSdlpIN0ErY0lK?= =?utf-8?B?R2V2MlB2THhISDF0UWhFZDJmTjBaQTVXbFhQb0xsQVN6VmMrWnJJM1RzeFkx?= =?utf-8?B?cm1aL0RmZnhVT1kzbDlPVlI1eTZDY0xLN0lYc25JYVNCSmFvWklhUlJOaUlv?= =?utf-8?B?U3BvQ0Y3TGZIMFh5U1RvTzFybHpDb3REaVJWdExGRDN2aWtpRlFqTzFCVll4?= =?utf-8?B?Rk9kdEVpUVFzZ0tRTXR6SlVabjdJR0dQTllTYjBGOUNxaG1oc1NiK2JMMko1?= =?utf-8?B?OFBVN1JvM2J1SFQ5bUVuRzZqc3NNbGZPQ2syRHQrcUIzK2dFZWFMSGdvQkJs?= =?utf-8?B?d1VpN1BxSUp3ekphdnlaemdzZTRieVlwSVcwOXZidG16YnluNGlLRElmdFlr?= =?utf-8?B?bGVteHIyUC9mR0VkSlBOa3NNRlJ5S2xPMysyajFDKzZjYkhPVXkwZ0RDaFlu?= =?utf-8?B?aVZ3d0p5VnZueHE5ZkpENk5Xa0pabjgyV0lpOTlUMExPZThzQ0tTVEs3SXdS?= =?utf-8?B?RzZzaUQrSEdpV1ZmTW9lcGY1RTNtcjN5THV6T1h6bDE3YVpaU0pUV1htL3RZ?= =?utf-8?B?RHNrTlhGVjc5M2diSTdCOGVIWVVWZmlGc0R5SkYvbXFhUG1QUVFSSmErTVEw?= =?utf-8?B?cXFIZGorbnZldGYzOHEvWVp4SnJpczArT0hlQzJKSFlSQnFyRWh0WHZtVUpz?= =?utf-8?B?SDlkN0tnNlhGRzFlMWR3NmFQUW9zMVQ5Ync0V09wMGdqSjZrUjlFSUJ3UDNW?= =?utf-8?B?bkVqVFVzNzJVS3prTjNmRVlkMHA5SE1FV3hKQTZzU0tsT0VER3JjVklhcG9q?= =?utf-8?B?blVJUUQyOExWbE1XYkY0T1JPUjRqc05zVjRQaUYybldlUTZwb005V3BHMXJS?= =?utf-8?B?YThyeFFxY21KOHRjSXc1ODM5dGxwT01uQmFpZU5rQ1BETUFVWVU1c0YrVkRz?= =?utf-8?B?cUY1bkNVWDB4cHVMSXNqMVJxVnZkMm9FeVdySytlVXNHdEJRRHl4R1lMYkc4?= =?utf-8?B?L3FIV0JpR1RmSDZtWkpOdm1qQ2NpZlFvL2d6T2l0emNGZ1FsRThueGhIcEJr?= =?utf-8?B?NEtjRlZlY2pwY3h3bkhsWlE5QUdaSzl3Z3lHUkN0ZmEwUzlVZ0hIZ0VudDVl?= =?utf-8?B?VjdMSFpnR2hOWHAwZFNpdUtnWk9rVkxsRWllOWEySUdvcll1WVdwM296UDVl?= =?utf-8?B?YTFGeGJMdThpRmJkRVVYRkZ3NTJlaGRBRjZiT3I2cm9wVmc5MElPaDV2ci9K?= =?utf-8?B?ZUFsc2J2UzllUnNWS0NsaWhVeE0weVVKdjk1dVRRdkRhVEZqdHUzbGk4NWYr?= =?utf-8?B?b0lMcVBEdkxBPT0=?= x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SA0PR17MB4299.namprd17.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(366016)(376014)(7416014)(1800799024)(10070799003)(38070700018); DIR:OUT; SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?R0p2N2RPSkp4NFNlcE9VOWUwWGZSYXNWbHB2cVdzbEVDcm01Zm9JaDFudFN5?= =?utf-8?B?NEczMXgrQmRTcmNpM3JnckJuNHRYcVNMWDBuM3dtVzZhUHdnVGhaVmh0LzVR?= =?utf-8?B?L0EyMy9ibVNuenEwbWpKUFJxZHBQOHdxamoxUkI5bGVLMlpIRXVGKzN0eHRY?= =?utf-8?B?Ym1ralo5VXFoVC91MGpWOXpiU29IbkJ0OHJhNHorVDhlQ1ZjQmpaaHA0VWRp?= =?utf-8?B?S0hrN3ZOdVNERFErS2lXOHE0ZHg2SlowZ0pqMHVQTXBvWSs2NHdHN1IzNTN2?= =?utf-8?B?NCtOeTNpMWVYWkJ6VWhKMmdOVkJSaW9hTFY4Rnk2ZFo1YXFkMThYQTlqbVF4?= =?utf-8?B?RUpUZU1qZmhtUUxCV3YyNnVJcG5HTEZqcktPWTJVUkh2R1FZMWhKTGtNcUR2?= =?utf-8?B?cUlKSmhwUFh4TVBzNXk4cmhLL3cwL0E5TzYvU3g2NkxnRmRBd0s1YnZoSEFB?= =?utf-8?B?cHpEdmVlcEc4UC9MUkNaRDVqRXpUTThjZWVEWGlDR0o2MmtleDBXd3NNbHFU?= =?utf-8?B?cTh4bDFRdlljUjVsR01ySE5kVW1KczB6ejh4M1Q0RFpHbUVkb25LTjhKQjAw?= =?utf-8?B?MnhmM1FwWlE5aWRHelRzdkRoaEpMNVhOKzBFQzhoMGh5cFJ0bUZ6M3k1NEdy?= =?utf-8?B?SGlwVUIrRTF0dGNkUUpkMHRCakZtRGR6TVk1YXVRbVdZaDl1WE05bzZKY2xY?= =?utf-8?B?QzBnUG1NZU80OXY4MC93WmU4ZFdDWEUrSXRaVUtuaENrZFJHTjZyK05ibHkr?= =?utf-8?B?SWRVd3dzY1dyYTlZbG9ZNmUxYkFHZUhpTTBPa0tHbG94VTdjS3creVcwUGtk?= =?utf-8?B?dk1CTXVNMElXaU00NXVTT1hVRml2Q2d2UThtVnV2RlQrNVJiNDlYL1IzT1Jo?= =?utf-8?B?Z2wzQ2QwQjkrSmdLVjVXTFMvd0lHRHR2c3R0a1dyV1lIOXFEOUEzUEViWjda?= =?utf-8?B?a0lpV01XTVFwNU9OZDhnRFNpTzJSZnEzQVl3aG5vU2tCeTRLalJ5bzFxelVY?= =?utf-8?B?TVY1NTJES1BXajljWW9aenRRcE1oalJBRThmNFFSamRGRzhuWU5pWjZ6djNm?= =?utf-8?B?VFM1RkFhZTBFb1hSeUxseHlZb2VLeGFEWUFFbmVuRjliaWFWZVAyNE1oMDAy?= =?utf-8?B?UnNzK0kvcVR2TDRtd1FUeUZkMnBMdU9GRjcwcmJ6MEZJSXBmWlIyQkxJWDU4?= =?utf-8?B?RFJTUys5SkR3b2xoc2NlRTh1bFAvdi96M1FaT2pBQ2F2ZFgxUGpJdFJuOUpU?= =?utf-8?B?Vit6QVdTakF5TEw3OFpkdjgySFlRaUpiSTBrN2NVM3NGY1dqMkdyVWRBZFZV?= =?utf-8?B?SjJLU3F0MGtJV0tDUWNzUnMrQVdJZm92cWtHdlRsYnZ4QlZCSzIwZHdNVEJ1?= =?utf-8?B?ZEhTVGpZUk0vaW9MdkhFZWJtZVVQVXNRcFBJeURJSitmQ3ZaalM1MXNMcGxy?= =?utf-8?B?RWtidno1bi9zUzZvNnRVT2dib1llTG1lWWNVTmxERVNtUEJ5Vlhzd0tUTzJD?= =?utf-8?B?UkZ1Y3ZORmFvRmFDVm9MSDBsYlMrUTBuK2FlemdXOUg2YkVnMTcza0dNU3pH?= =?utf-8?B?cGloRFk0Mm9Icks1aXRDV09ZOTBpWHdHTktNbEhrRzl2aXNPQy9ucHl2ckNt?= =?utf-8?B?SHI1V3BSK3BTSUE4SEQ0THlvYzBwL1c4RGNPeEFYTHRsb3doa2pWOVgvTVBK?= =?utf-8?B?SEJNcGJHbm80OXJjVW14SlJoUGwrMmNUTHVMOHFKSldxVldtL0NqckJvTksx?= =?utf-8?B?WjRCcXRhYVBrVEZwWmc1c1l4U3MzZzR6OGFyZmVVYmNZOVBFNWNWQ2lpRml2?= =?utf-8?B?NEMrbkJPdUg2MWt2MThWTXo4eS9GQ0RMSnZQWTFGY2tId0o2K2s4eVB3SG02?= =?utf-8?B?OGQvaVFhUUlZZ1I3OFZuS1dXT3JSY01BS1RHd01wc1hCdXZ3T0RUTUR0cXhw?= =?utf-8?B?amsrRWoyWnRmWHlZakE1NXRrbWYrSGMvUFMrMUljaDl0andDT3hRWjhLUkZQ?= =?utf-8?B?U0lNMGZSOXhqOGFvNHlNNU93ZUlXVjRZcEs3eUZFM0hjY2xRdUFHN1ppREVG?= =?utf-8?B?MTFSOXJTVE9rZVJFVXA1c2JqNGE2cUtxaFlaNlp1UlZlUEVBRThtbTJrdUlF?= =?utf-8?B?NnZrYUNNNEZwTmMreGFVWXNhckRQQ1lYY3gxa2NySVliSEJsbW5rRDFtMm40?= =?utf-8?Q?BaIipAIEUN9pGt/doNSj/m4nQdRz7zhk1LweklCnyaeb?= arc-seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=V/yEUrpEp0Gn/rI10aTJbvNM0WbBf8rn38Hz31y62O8duMAGgsXZvSNq48Wyoz7Fax2uFlQStX538T6rnO7K8iKqd7u+Zbmp8OV4yDRkXgEWaWyww7rW3TDOYpDS2aTgnvlyjf3rSgEcb62/Y3aRv/80EfwvTfqXWG5Pt+cpeoG3JbQIz0Lavz+iCGbzBIMQgnsj6OhLKxpLuovIRqpj0x4Noinu+doztwACDX5Qk2BO2xpoQVwuIZlzwlw3l4PAy1roYJ+1DtjPjZ6Zx477hNiGJE5OPsmX/pmwLYL2kGAUVWKuzuGy5mLd1AvNZ5f7+alS6Rqo+DrZEyM7CnPvww== arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=DAqTNWm2aYXg6mcT5BLiHmSNrqHuEahXECEpHVvLst0=; b=cBkEQtZjxokiZPSz5BsI3L7T5BcW75iNb3+UWPVgleNxNt/8l2QFXwi0otAuAeNK1T+ljEhLenL/ScMGdyujH134+8KGd+guUsqapfb5CdPIjWyyczetMonsoTUaZsVZzSpc03eomB6KY1mlc/KReWolvWo0xM+qv99m4Y9FP6EtPcUgfC3aSNVTY0P+dBBZTQESGNWqFsY/RBZNUso9tro+XD9LW+Bf16rQ880RAWWuf4OyfoGT5rJhsOMhSkbvOpafxjkibkAiJDsY2q/D9DtTJ95mdLz4TvjYegxEoiEnvBm14oHTkthpqPRprnzSS2QDJpTnTjpbnNe2kkO5cg== arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=akamai.com; dmarc=pass action=none header.from=akamai.com; dkim=pass header.d=akamai.com; arc=none dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai365.onmicrosoft.com; s=selector1-akamai365-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DAqTNWm2aYXg6mcT5BLiHmSNrqHuEahXECEpHVvLst0=; b=CIMDCo2ipOQamqUsUMESgXOo6DvFf2bdI0UKNFalymsZtYZot7m+jlbJ15in/4M9VhBhiUQlNfqefBXdjhWPjGOfkXHrl7RwSfNP6cv/jZGYH0v5G6QsTDtQTSbka5S0Fm9ksuQ6IJ4mnuGHouW6DXFPTXGw2je8ajzohhD4L3Y= x-ms-exchange-crosstenant-authas: Internal x-ms-exchange-crosstenant-authsource: SA0PR17MB4299.namprd17.prod.outlook.com x-ms-exchange-crosstenant-network-message-id: 997f0f58-d432-4d12-c325-08ddad0e01c4 x-ms-exchange-crosstenant-originalarrivaltime: 16 Jun 2025 19:43:02.7016 (UTC) x-ms-exchange-crosstenant-fromentityheader: Hosted x-ms-exchange-crosstenant-id: 514876bd-5965-4b40-b0c8-e336cf72c743 x-ms-exchange-crosstenant-mailboxtype: HOSTED x-ms-exchange-crosstenant-userprincipalname: m1GPYAzueL2uilCdBHCJeI9ifC20qU/mUxHsbVFK5nNgLutOcwvRGptqs8ZlYNvDZ6SEHMpKEjOJ0Ce815y6eQ== x-ms-exchange-transport-crosstenantheadersstamped: BY1PR17MB6784 Content-Type: text/plain; charset="utf-8" Content-ID: <7CE3C6C85FB8454792EE86D43D542A68@namprd17.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: akamai.com X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-16_09,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2506160134 X-Proofpoint-GUID: 0D4gz4rzig3Tjq4zb2TltIwh8sbW9lxM X-Proofpoint-ORIG-GUID: 0D4gz4rzig3Tjq4zb2TltIwh8sbW9lxM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE2MDEzNSBTYWx0ZWRfX5tzpv0Y3bQ0c rEPrkNBG1K0bxonsK/edGbvKZQ3E9QLPghMBpJU48wJmw2He6UnSCnzgpf28wdIi3qXqNFh87DZ Lze+f+vTLrtU0a772xs4lW6V3alz42uafGoW+iIx75PPTE/kG7EvmJESG+sv9oI16c4r7VQrXex SUE5zLBq86vGsaxi6f92EYgpFAa5usd9+ooWWDJ8uCXevX/ZNEx7YeovZUzUahIXgw+kWn66p36 RvKNjlvPm2y88NagpUXUQQM1a9nsENk3PAOmMniYhX43Cqd7v+H1JQxBi8RuEzrUPlsg+aXLO8p ddqb+FiOA2rc7nSuKOAG24HVYfg3JZFb1IRZz//qikdQZqqONsjCQR+k6m89Tdnd7IcfO6f8gfu dxocEp9HXfWR+rk20zOnWnvFbZ/Ly72ytS4UDpq4Hp5kO2XTpeN3YK2kLbXDeGvFbjELPzTg X-Authority-Analysis: v=2.4 cv=f8hIBPyM c=1 sm=1 tr=0 ts=685073cc cx=c_pps a=NpDlK6FjLPvvy7XAFEyJFw==:117 a=NpDlK6FjLPvvy7XAFEyJFw==:17 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=g1y_e2JewP0A:10 a=KySe0LOweYoj0slULfkA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-16_09,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 spamscore=0 impostorscore=0 clxscore=1011 mlxlogscore=846 mlxscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506160135 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=67.231.149.131; envelope-from=bchaney@akamai.com; helo=mx0a-00190b01.pphosted.com X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.892, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @akamai.com) X-ZM-MESSAGEID: 1750103052486116600 Not all pmem regions are backed by non-volatile memory. Syncing volatile memory provides no benefit, but can cause performance issues is some cases. Only sync memory that is marked as non-volatile. Fixes: bd108a44bc29 (migration: ram: Switch to ram block writeback) --- migration/ram.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/migration/ram.c b/migration/ram.c index f25ebd9620..e3ab67acd4 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -3930,7 +3930,9 @@ static int ram_load_cleanup(void *opaque) RAMBlock *rb; RAMBLOCK_FOREACH_NOT_IGNORED(rb) { - qemu_ram_block_writeback(rb); + if (memory_region_is_nonvolatile(rb->mr)) { + qemu_ram_block_writeback(rb); + } } xbzrle_load_cleanup(); -- 2.40.1