Re: Out-of-Process Device Emulation session at KVM Forum 2020

[Jason Wang]

On 2020/10/30 上午2:07, Paolo Bonzini wrote:
> On 29/10/20 18:47, Kirti Wankhede wrote:
> > On 10/29/2020 10:12 PM, Daniel P. Berrangé wrote:
> > > On Thu, Oct 29, 2020 at 04:15:30PM +0000, David Edmondson wrote:
> > > > On Thursday, 2020-10-29 at 21:02:05 +08, Jason Wang wrote:
> > > >
> > > > > 2) Did qemu even try to migrate opaque blobs before? It's probably a
> > > > > bad
> > > > > design of migration protocol as well.
> > > > The TPM emulator backend migrates blobs that are only understood by
> > > > swtpm.
> > > The separate slirp-helper net backend does the same too IIUC
> > When sys mem pages are marked dirty and content is copied to
> > destination, content of sys mem is also opaque to QEMU.
> Non-opaque RAM might be a bit too much to expect, though. :)
>
> Paolo

True, and in this case you know you don't need to care about compatibility.

Thanks