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

[Stefan Berger]

On 12/15/22 15:30, James Bottomley wrote:
> On Thu, 2022-12-15 at 15:22 -0500, Stefan Berger wrote:
> > On 12/15/22 15:07, James Bottomley wrote:
> [...]
> > > don't really have much interest in the migration use case, but I
> > > knew it should work like the passthrough case, so that's what I
> > > tested.
> >
> > I think your device needs to block migrations since it doesn't handle
> > all migration scenarios correctly.
>
> Passthrough doesn't block migrations either, presumably because it can
> also be made to work if you know what you're doing.  I might not be

Don't compare it to passthrough, compare it to swtpm. It should have at least 
the same features as swtpm or be better, otherwise I don't see why we need to 
have the backend device in the upstream repo.

    Stefan