Re: [PATCH v1 0/5] migration/ram: background snapshot fixes and optimiations

[Juan Quintela]

David Hildenbrand <david@redhat.com> wrote:
> On 05.01.23 13:45, David Hildenbrand wrote:
>> Playing with background snapshots in combination with hugetlb and
>> virtio-mem, I found two issues and some reasonable optimizations (skip
>> unprotecting when unregistering).
>> With virtio-mem (RamDiscardManager), we now won't be allocating
>> unnecessary
>> page tables for unplugged ranges when using uffd-wp with shmem/hugetlb.
>> Cc: Juan Quintela <quintela@redhat.com> (maintainer:Migration)
>> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> (maintainer:Migration)
>> Cc: Peter Xu <peterx@redhat.com>
>> Cc: Andrey Gruzdev <andrey.gruzdev@virtuozzo.com>
>
> @Juan, David: I can take this via my tree (especially the last patch
> only optimized virtio-mem for now). Just let me know.

I reviewed everything now.

Queued on my tree.

Later, Juan.