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 129C1C433F5 for ; Fri, 25 Feb 2022 10:40:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239744AbiBYKlK (ORCPT ); Fri, 25 Feb 2022 05:41:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239759AbiBYKlE (ORCPT ); Fri, 25 Feb 2022 05:41:04 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A3EA668FAD for ; Fri, 25 Feb 2022 02:40:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1645785630; 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=lRwx65i57jRl4bCHTSkVyWCFjWZQA8Tr5rcxePhpjvg=; b=Ley5VrTImoinUCiieYCuf+v48RdQj1gjzaqzl5tJTGzufT1IDseeN1jDaigmYW/aBhGkZY j6RmcxkE8p1xypXbBsqUgi8D0bXUhZMzVARxDsWRDYtC79zhfwiNPBthHakggeTfx78nUX +PhIr0NLC1JVb9cBhV6Dxy0NhP4hQ64= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-319-bKC7v6k-OCiY-YhSDfI5rA-1; Fri, 25 Feb 2022 05:40:28 -0500 X-MC-Unique: bKC7v6k-OCiY-YhSDfI5rA-1 Received: by mail-wr1-f70.google.com with SMTP id e26-20020adfa45a000000b001ea860cd35cso743566wra.4 for ; Fri, 25 Feb 2022 02:40:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=lRwx65i57jRl4bCHTSkVyWCFjWZQA8Tr5rcxePhpjvg=; b=fDJ5d+VZG06u4lH4WQMJGNrwEt9MIw0PHblKJjuUEWuPIENctMNlJd3eibGpda/ihf fcpKF4Au1t0WWof5xbEm4OAG+Y9AMK9iC0N0hB0GBmM1IO8mRVtE/1xy4D663p84TN1v G4onzGwLqnk5uqbRnuEkUL2AZJY7B6arJeUA/05VHMAtu3AwyRTnbDMk7VflyqEWnXF/ ihOk/QkwgghZWTOhhFT4tqKRVyzbjN5ITbhTJTwAkMOzpsIBESAGk3znwJsRaCWPHtYe 8VtFxcV89qHnh3ZUC5a6yrr+SMGiIPIalBDcPcf/NlBvbaC3PFXKMTJIGHgM7dQqGXKO 1nNA== X-Gm-Message-State: AOAM531pSZw2z7I5GCiL1REQDkUtttGEZHNQZLqgL9AQz0T4kc4qf+hC z5pbjyJ64chaG7ql+D+ZOu0c9sBiJOOYC0WV9L9f88OOhHaBnxbMyjWMNTP34pB6FlrpTz7uFCS 8GXx5ynyV4JKwgWvqwMpOWMxC X-Received: by 2002:a5d:5584:0:b0:1ed:e423:18f4 with SMTP id i4-20020a5d5584000000b001ede42318f4mr5268145wrv.509.1645785627489; Fri, 25 Feb 2022 02:40:27 -0800 (PST) X-Google-Smtp-Source: ABdhPJz+suvh52UL+yxQwZMYSZGg0of8oD756hKzab+wp95qXtMVPTn7Je7xnvr6hZRVfR9ly8TmQg== X-Received: by 2002:a5d:5584:0:b0:1ed:e423:18f4 with SMTP id i4-20020a5d5584000000b001ede42318f4mr5268127wrv.509.1645785627288; Fri, 25 Feb 2022 02:40:27 -0800 (PST) Received: from redhat.com ([2.55.145.157]) by smtp.gmail.com with ESMTPSA id p30-20020a1c545e000000b003811f9102c0sm3167339wmi.32.2022.02.25.02.40.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Feb 2022 02:40:26 -0800 (PST) Date: Fri, 25 Feb 2022 05:40:21 -0500 From: "Michael S. Tsirkin" To: "Jason A. Donenfeld" Cc: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= , Laszlo Ersek , LKML , Linux Crypto Mailing List , QEMU Developers , KVM list , linux-s390@vger.kernel.org, adrian@parity.io, "Woodhouse, David" , "Catangiu, Adrian Costin" , graf@amazon.com, Colm MacCarthaigh , "Singh, Balbir" , "Weiss, Radu" , Jann Horn , Greg Kroah-Hartman , Theodore Ts'o , Igor Mammedov , ehabkost@redhat.com, ben@skyportsystems.com, "Richard W.M. Jones" Subject: Re: [PATCH RFC v1 0/2] VM fork detection for RNG Message-ID: <20220225053937-mutt-send-email-mst@kernel.org> References: <20220223131231.403386-1-Jason@zx2c4.com> <2653b6c7-a851-7a48-f1f8-3bde742a0c9f@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 24, 2022 at 11:57:34AM +0100, Jason A. Donenfeld wrote: > On Thu, Feb 24, 2022 at 11:56 AM Daniel P. Berrangé wrote: > > IIRC this part of the QEMU doc was making an implicit assumption > > about the way QEMU is to be used by mgmt apps doing snapshots. > > > > Instead of using the 'loadvm' command on the existing running QEMU > > process, the doc seems to tacitly expect the management app will > > throwaway the existing QEMU process and spawn a brand new QEMU > > process to load the snapshot into, thus getting the new GUID on > > the QEMU command line. > > Right, exactly. The "there are no known use cases" bit I think just > forgot about one very common use case that perhaps just wasn't in use > by the original author. So I'm pretty sure this remains a QEMU bug. > > Jason Quite possibly yes. -- MST