[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v6 18/23] sev: emit the SEV_MEASUREMENT event
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-devel] [PATCH v6 18/23] sev: emit the SEV_MEASUREMENT event |
Date: |
Thu, 8 Feb 2018 16:22:33 +0000 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Thu, Feb 08, 2018 at 10:17:28AM -0600, Brijesh Singh wrote:
>
> Anyway, the main issue is event emitted before "qmp_capabilities" are
> dropped silently , see [1] . In our case, the measurement event is emitted
> during the machine creation time, libvirt was still waiting to reconnect
> the monitor when event was emitted hence libvirt never gets the event.
> Because of this, I am not able to see any strong reason to emit the event.
> Do you see any issue with libvirt issuing a 'query-sev-launch-measure' to
> get the measurement on reconnect ?
Hmm, yes, I see so there can be a race between SEV emitting the event and
libvirtd making the initial monitor connection. In that case, we definitely
to have a QMP command to let libvirt explicitly query it.
Regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|