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[2003:cb:c723:b800:9a60:4b46:49f9:87f3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-434d526b577sm233326495e9.3.2024.12.10.06.25.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Dec 2024 06:25:45 -0800 (PST) Message-ID: Date: Tue, 10 Dec 2024 15:25:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [Invitation] bi-weekly guest_memfd upstream call on 2024-12-12 From: David Hildenbrand To: linux-coco@lists.linux.dev, "linux-mm@kvack.org" , KVM References: <6f2bfac2-d9e7-4e4a-9298-7accded16b4f@redhat.com> <3a544ba8-85cd-4b91-940f-85f6f07f2085@redhat.com> Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <3a544ba8-85cd-4b91-940f-85f6f07f2085@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: joHLsQ1nk-yr5kWEmcA_ajIlJBa_Exrl1gqNPnXkGr8_1733840747 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4E0E14000E X-Stat-Signature: ghjx3c9ru1wtxs4b5biszouw6bwjn6rb X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1733840741-414792 X-HE-Meta: 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 RZl9U8kQ 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 X-Bogosity: Unsure, tests=bogofilter, spamicity=0.495624, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi everybody, as announced, we'll already have our next guest_memfd upstream call -- likely the last one for this year -- this Thursday, 2024-12-12 at 8:00 - 9:00am (GMT-08:00) Pacific Time - Vancouver. We'll be using the following Google meet: http://meet.google.com/wxp-wtju-jzw The meeting notes can be found at [1], where we also link recordings and collect current guest_memfd upstream proposals. If you want an google calendar invitation that also covers all future meetings, just write me a mail. The agenda of the last meetings were pretty packed, I have the feeling that this one could end up a bit "lighter". In this meeting we'll likely discuss: * Patrick: KVM gmem MMIO access challenges and KVM_X86_SW_PROTECTED_VM for arm * Aneesh: Feasibility of 4 KiB guests on 64 KiB host * Persisting guest_memfd across reboot / guest_memfs (if James is around) And we'll continue our discussion on: * Challenges with supporting huge pages * Challenges with shared vs. private conversion * guest_memfd as a "library" To put something to discuss onto the agenda, reply to this mail or add them to the "Topics/questions for next meeting(s)" section in the meeting notes as a comment. [1] https://docs.google.com/document/d/1M6766BzdY1Lhk7LiR5IqVR8B8mG3cr-cxTxOrAosPOk/edit?usp=sharing -- Cheers, David / dhildenb