Re: [PATCH V2 00/11] allow cpr-reboot for vfio

[David Hildenbrand]

On 12.01.24 16:04, Steve Sistare wrote:
> Allow cpr-reboot for vfio if the guest is in the suspended runstate.  The
> guest drivers' suspend methods flush outstanding requests and re-initialize
> the devices, and thus there is no device state to save and restore.  The
> user is responsible for suspending the guest before initiating cpr, such as
> by issuing guest-suspend-ram to the qemu guest agent.

Can you briefly explain what cpr-reboot is, or do you have a pointer to 
some more details?

What is is good for, why would you use it, how does it work?

I *suspect* that you want to live-migrate a VM with vfio devices 
attached, whereby you don't want to migrate device state.

--
Cheers,

David / dhildenb