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Fri, 11 Sep 2026 09:46:37 +0000 Date: Fri, 11 Sep 2026 17:45:51 +0800 From: Yan Zhao To: CC: , , , , , , , , , , , , , , , , , , , , , , , Paolo Bonzini , Sean Christopherson , "Thomas Gleixner" , Ingo Molnar , Borislav Petkov , Dave Hansen , , "H. Peter Anvin" , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jonathan Corbet , "Shuah Khan" , Shuah Khan , "Vishal Annapurve" , Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Youngjun Park , Qi Zheng , Shakeel Butt , Kiryl Shutsemau , Baoquan He , Jason Gunthorpe , John Hubbard , Peter Xu , , Randy Dunlap , Lorenzo Stoakes , Vlastimil Babka , Mike Rapoport , "Suren Baghdasaryan" , Michal Hocko , Fuad Tabba , , , , , , , , Xiaoyao Li Subject: Re: [PATCH v13 00/44] guest_memfd: In-place conversion support Message-ID: Reply-To: Yan Zhao References: <20260910-gmem-inplace-conversion-v13-0-dd6fbf94f4e1@google.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20260910-gmem-inplace-conversion-v13-0-dd6fbf94f4e1@google.com> X-ClientProxiedBy: SG2PR01CA0186.apcprd01.prod.exchangelabs.com (2603:1096:4:189::14) To DSVPR11MB9579.namprd11.prod.outlook.com (2603:10b6:8:383::17) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DSVPR11MB9579:EE_|CO1PR11MB5060:EE_ X-MS-Office365-Filtering-Correlation-Id: 3bbc4e4c-ce09-4655-7710-08df0fe9928f X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|376014|366016|23010399003|10067099003|6133799003|18002099003|22082099003|56012099006|11063799006; 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Thanks everyone for the comments and fast responses! > We're now at ~3 weeks to soft-close at 7.3-rc5. > > v13 is based on 7.3-rc2 and: > > + Hugh's patch to export lru_cache_drain_for_folio() > + Another series [1], which makes kvm_gmem_get_pfn() NOT return a > refcounted page to KVM. > > Here's everything stitched together for your convenience: > > https://github.com/googleprodkernel/linux-cc/commits/guest_memfd-inplace-conversion-v13 The following configurations were tested and all booted TDs successfully: (1) gmem_in_place_conversion=1, in-place conversions + in-place-add init mem (2) gmem_in_place_conversion=1, in-place conversions + out-of-place-add init mem (3) gmem_in_place_conversion=0, out-of-place conversions + out-of-place-add init mem Tested-by: Yan Zhao