RE: [PATCH] intel-iommu: Turn off translations at shutdown

[Zeng, Jason]

> -----Original Message-----
> > > > For VMM live update case, we should be able to detect and bypass
> > > > the shutdown that Deepa introduced here, so keep IOMMU still
> operating?
> > >
> > > Is that a 'yes' to Deepa's "if someone wants to make it conditional,
> > > we can do that" ?
> >
> > Yes, I think so. Thanks!
> 
> Are these changes already part of the kernel like avoiding shutdown of the
> passthrough devices? device_shutdown() doesn't seem to be doing anything
> selectively as of now.
> 

No, it is not in upstream yet. It is an on-going effort, which tries to kexec reboot
the host while keeping IOMMU still working.

Thanks,
Jason

> Thanks,
> Deepa