From: Paolo Bonzini <pbonzini@redhat.com>
To: Jake Oshins <jakeo@microsoft.com>,
Andy Lutomirski <luto@amacapital.net>,
Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Mathew John <mathewj@microsoft.com>,
Theodore Ts'o <tytso@mit.edu>, kvm list <kvm@vger.kernel.org>,
Gleb Natapov <gleb@kernel.org>,
Niels Ferguson <niels@microsoft.com>,
Jim Mattson <jmattson@vmware.com>,
Linux Virtualization <virtualization@lists.linux-foundation.org>,
Doug Covelli <dcovelli@vmware.com>,
David Hepkin <davidhep@microsoft.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Alok Kataria <akataria@vmware.com>,
John Starks <John.Starks@microsoft.com>
Subject: Re: [Xen-devel] [RFC] Hypervisor RNG and enumeration
Date: Wed, 29 Oct 2014 19:22:43 +0100 [thread overview]
Message-ID: <54513073.9050900@redhat.com> (raw)
In-Reply-To: <80e17627b82a4bb7bbdc8b8c56a89626@DM2PR03MB592.namprd03.prod.outlook.com>
On 10/29/2014 05:29 PM, Jake Oshins wrote:
> Just as a point of clarification, the VM Generation ID changes (at
> least in the Hyper-V implementation) only when the VM may have
> observed a different future, as when a VM backup is restored, a
> checkpoint is applied, etc. It does not change during migration,
> when the VM is suspended or when it is rebooted. I've heard
> anecdotes from application vendors saying that there is some other
> hypervisor that actually does change the ID at these moments and they
> wanted us to us to fix that, until I explained that I only control
> Hyper-V.
This is indeed the only reasonable way you can read the vmgenid spec.
Paolo
next prev parent reply other threads:[~2014-10-29 18:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-29 5:19 [RFC] Hypervisor RNG and enumeration Andy Lutomirski
2014-10-29 10:37 ` [Xen-devel] " Andrew Cooper
2014-10-29 13:45 ` Paolo Bonzini
2014-10-29 13:57 ` David Vrabel
2014-10-29 14:01 ` Paolo Bonzini
2014-10-29 16:07 ` H. Peter Anvin
2014-10-29 16:07 ` H. Peter Anvin
2014-10-29 16:23 ` Andy Lutomirski
2014-10-29 16:07 ` H. Peter Anvin
2014-10-29 15:14 ` Ian Jackson
2014-10-29 16:13 ` Andy Lutomirski
2014-10-29 16:29 ` Jake Oshins
2014-10-29 16:50 ` Andy Lutomirski
2014-10-29 18:22 ` Paolo Bonzini [this message]
2014-10-30 12:21 ` David Vrabel
2014-10-30 12:25 ` Paolo Bonzini
2014-10-30 14:45 ` Andy Lutomirski
2014-10-30 15:12 ` Ian Campbell
2014-10-30 14:33 ` Roger Pau Monné
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