Re: [PATCH 2/2] tpm: add backend for mssim

[Stefan Berger]

On 12/16/22 11:13, James Bottomley wrote:
> On Fri, 2022-12-16 at 11:08 -0500, Stefan Berger wrote:
> > On 12/16/22 10:48, James Bottomley wrote:
> [...]
> > > +The mssim backend supports snapshotting and migration, but the
> > > state
> > > +of the Microsoft Simulator server must be preserved (or the server
> > > +kept running) outside of QEMU for restore to be successful.
> >
> > You said you tested it. Can you show how to set it up with command
> > lines? I want to try out at least suspend and resume .
>
> I already did here:
>
> 77bc5a11fcb7b06deba1c54b1ef2de28e0c53fb1.camel@linux.ibm.com/">https://lore.kernel.org/qemu-devel/77bc5a11fcb7b06deba1c54b1ef2de28e0c53fb1.camel@linux.ibm.com/
>
> But to recap, it's
>
> stop
> migrate "exec:gzip -c > STATEFILE.gz"
> quit
>
> Followed by a restart with
>
> <qemu-command-line> -incoming "exec: gzip -c -d STATEFILE.gz"

Good, you can put it into the documentation. Can I do a reboot of the host in 
between or does the TPM have to keep on running?

   Stefan

> James