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([2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e]) by smtp.googlemail.com with ESMTPSA id b13-20020a056402138d00b00516654bf182sm2841294edv.41.2023.06.07.03.37.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Jun 2023 03:37:52 -0700 (PDT) Message-ID: <5283b17c-185b-a37f-84e2-dcd08e042ec0@redhat.com> Date: Wed, 7 Jun 2023 12:37:50 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [ANNOUNCE] KVM Microconference at LPC 2023 To: Babis Chalios , KVM list , "linux-kernel@vger.kernel.org" Cc: Sean Christopherson , Marc Zyngier , Alexander Graf , "Cali, Marco" References: <2f19f26e-20e5-8198-294e-27ea665b706f@redhat.com> <150e1ad0-3d59-762b-6032-897d5630a3bf@amazon.es> Content-Language: en-US From: Paolo Bonzini In-Reply-To: <150e1ad0-3d59-762b-6032-897d5630a3bf@amazon.es> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/7/23 12:13, Babis Chalios wrote: > > > On our side, we 've been working on providing ways to let VMs (kernel > and user space) know that they have been cloned/snapshotted/restored > from snapshots[1]. > > This is tightly coupled with PRNGs both in kernel and user space and > there needs to be some collaboration with random.c to tie everything > together [2][3]. It sounds like it could be a good fit for this MC > (?). Does the VM generation ID ACPI device from Microsoft work for you? It is not tied to Hyper-V. Paolo