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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 937FBC7EE2E for ; Wed, 7 Jun 2023 10:38:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239354AbjFGKip (ORCPT ); Wed, 7 Jun 2023 06:38:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234932AbjFGKin (ORCPT ); Wed, 7 Jun 2023 06:38:43 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B1921712 for ; Wed, 7 Jun 2023 03:37:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686134275; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vq4iY/12EDFCis/q0y3yHnpWxZ9O8Sy8phj5VJevVR4=; b=gsFt6puerqaD4wYESCv8+vdOvkeLqHIXELUFW0VcYE0XeXXi/tcj52xOy/tOQUzJhHmHdV wzloVmhNrbl7Z3q96OPX/M1jUPQE2KIywAHRc5A/2gz+Zqb0IOS0nawY9AIBSXPOlydcos tkeOhPRFwgVvI77aR/TiQkjUsFx7Qos= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-444-AedhZKB6MneadNw8t39Asg-1; Wed, 07 Jun 2023 06:37:54 -0400 X-MC-Unique: AedhZKB6MneadNw8t39Asg-1 Received: by mail-ed1-f70.google.com with SMTP id 4fb4d7f45d1cf-514a6909c35so792011a12.3 for ; Wed, 07 Jun 2023 03:37:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686134273; x=1688726273; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=vq4iY/12EDFCis/q0y3yHnpWxZ9O8Sy8phj5VJevVR4=; b=c1SziSqZZkg0i7U5iXZm1qs6g0roF2ebuWEnfFsTd6DaxRdZlKogzOJ4N5GCYZ91av kAaQNyoSLfUuVArQ46uyKqnfA94eE6DbUUX/gdZ3cVokAfbGpsTWQtyJlLd3b4jMdGAg Wo1wKXCTW9XUu/iKgc04d+rG7iZYwgaxw+6RSBVkxVgjB7vvihpqEGb145ZRppeumnO0 G/jOTZ/xkzkVfJuoQwjH4W9kRXcPMujqQfu+3v5SmLvTjDFy7J7LcU62S6XDMohKO8AY HK+MHOPkpMrz6qMyDBasbSL8SS6bCpGKgr/0lWyA//6TUFFAcjDy7REyvs/RC4yA84zg mNSw== X-Gm-Message-State: AC+VfDxLz3S2tvpJG8x0O7hJsWdNb6qsTdIlKzlRI4YKs2xyeq8HkZAF jF0c/60dx4VZrjasGpl5sNaaa/txTqL3zmfBFq9wmzKVjiO7lz07CgKBeoyjMZTRRmQue8Tu5nF IzOsBPBQcSBsAciGfdk/OFf+F X-Received: by 2002:aa7:d7d1:0:b0:516:9f47:5390 with SMTP id e17-20020aa7d7d1000000b005169f475390mr807629eds.27.1686134273070; Wed, 07 Jun 2023 03:37:53 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ7A9F7RygbWZFa68FEkMZz7F3vyq3rRZdc9t9YQhLQsarizrxtkW3i6VktegV0WsNVP1BDN7w== X-Received: by 2002:aa7:d7d1:0:b0:516:9f47:5390 with SMTP id e17-20020aa7d7d1000000b005169f475390mr807618eds.27.1686134272818; Wed, 07 Jun 2023 03:37:52 -0700 (PDT) Received: from ?IPV6:2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e? ([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 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