On Fri, Jun 23, 2023 at 09:04:37AM +0200, David Hildenbrand wrote:
> On 23.06.23 07:58, Michael S. Tsirkin wrote:
> > On Tue, Jun 13, 2023 at 05:02:05PM +0200, David Hildenbrand wrote:
> > > One limitation of virtio-mem is that we cannot currently unplug virtio-mem
> > > devices that have all memory unplugged from the VM.
> > > 
> > > Let's properly handle forced unplug (as can be triggered by the VM) and
> > > add support for ordinary unplug (requests) of virtio-mem devices that are
> > > in a compatible state (no legacy mode, no plugged memory, no plug 
> > > request).
> > > 
> > > Briefly tested on both, x86_64 and aarch64.
> > > 
> > > Cc: Peter Maydell <peter.mayd...@linaro.org>
> > > Cc: Paolo Bonzini <pbonz...@redhat.com>
> > > Cc: Richard Henderson <richard.hender...@linaro.org>
> > > Cc: Eduardo Habkost <edua...@habkost.net>
> > > Cc: "Michael S. Tsirkin" <m...@redhat.com>
> > > Cc: Marcel Apfelbaum <marcel.apfelb...@gmail.com>
> > > Cc: Igor Mammedov <imamm...@redhat.com>
> > > Cc: qemu-...@nongnu.org
> > > Cc: Gavin Shan <gs...@redhat.com>
> > 
> > Lots of duplication pc/arm. Which is not new but do we have to keep
> > growing this?  Can't we put at least the new common code somewhere?
> 
> There are some minor differences in the code, but I guess we could factor
> the (un)plug handlers out.

maybe with a callback.

> 
> hw/virtio/virtio-md.c
> include/hw/virtio/virtio-md.c
> 
> ?

Sure.

> -- 
> Cheers,
> 
> David / dhildenb


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