Re: [PATCH 4/4] virtio-mem: Add support for suspend+wake-up with plugged memory

[David Hildenbrand]

On 06.08.24 18:07, Juraj Marcin wrote:
> Before, the virtio-mem device would unplug all the memory with any reset
> of the device, including during the wake-up of the guest from a
> suspended state. Due to this, the virtio-mem driver in the Linux kernel
> disallowed suspend-to-ram requests in the guest when the
> VIRTIO_MEM_F_PERSISTENT_SUSPEND feature is not exposed by QEMU.
>
> This patch adds the code to skip the reset on wake-up and exposes
> theVIRTIO_MEM_F_PERSISTENT_SUSPEND feature to the guest kernel driver
> when suspending is possible in QEMU (currently only x86).
>
> Signed-off-by: Juraj Marcin <jmarcin@redhat.com>
> ---

All looks good and straight-forward to me. Will try finding time to play 
with this this week!

Thanks!

Reviewed-by: David Hildenbrand <david@redhat.com>

--
Cheers,

David / dhildenb