Re: [Xen-devel] [PATCH v1 03/13] numa: Teach ram block notifiers about resizeable ram blocks

[Peter Xu <peterx@xxxxxxxxxx>]

On Wed, Feb 19, 2020 at 05:17:15PM +0100, David Hildenbrand wrote:
> Ram block notifiers are currently not aware of resizes. Especially to
> handle resizes during migration, but also to implement actually resizeable
> ram blocks (make everything between used_length and max_length
> inaccessible), we want to teach ram block notifiers about resizeable
> ram.
> 
> Introduce the basic infrastructure but keep using max_size in the
> existing notifiers. Supply the max_size when adding and removing ram
> blocks. Also, notify on resizes.
> 
> Acked-by: Paul Durrant <paul@xxxxxxx>
> Cc: Richard Henderson <rth@xxxxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: "Dr. David Alan Gilbert" <dgilbert@xxxxxxxxxx>
> Cc: Eduardo Habkost <ehabkost@xxxxxxxxxx>
> Cc: Marcel Apfelbaum <marcel.apfelbaum@xxxxxxxxx>
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>
> Cc: Paul Durrant <paul@xxxxxxx>
> Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: Igor Mammedov <imammedo@xxxxxxxxxx>
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>

-- 
Peter Xu


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