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Re: [PATCH v1 03/13] numa: Teach ram block notifiers about resizeable ra
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From: |
Peter Xu |
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Subject: |
Re: [PATCH v1 03/13] numa: Teach ram block notifiers about resizeable ram blocks |
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Date: |
Wed, 19 Feb 2020 15:48:50 -0500 |
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 <address@hidden>
> Cc: Richard Henderson <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> Cc: "Dr. David Alan Gilbert" <address@hidden>
> Cc: Eduardo Habkost <address@hidden>
> Cc: Marcel Apfelbaum <address@hidden>
> Cc: Stefano Stabellini <address@hidden>
> Cc: Anthony Perard <address@hidden>
> Cc: Paul Durrant <address@hidden>
> Cc: "Michael S. Tsirkin" <address@hidden>
> Cc: address@hidden
> Cc: Igor Mammedov <address@hidden>
> Signed-off-by: David Hildenbrand <address@hidden>
Reviewed-by: Peter Xu <address@hidden>
--
Peter Xu
- [PATCH v1 00/13] migrate/ram: Fix resizing RAM blocks while migrating, David Hildenbrand, 2020/02/19
- [PATCH v1 01/13] util: vfio-helpers: Factor out and fix processing of existing ram blocks, David Hildenbrand, 2020/02/19
- [PATCH v1 02/13] stubs/ram-block: Remove stubs that are no longer needed, David Hildenbrand, 2020/02/19
- [PATCH v1 03/13] numa: Teach ram block notifiers about resizeable ram blocks, David Hildenbrand, 2020/02/19
- Re: [PATCH v1 03/13] numa: Teach ram block notifiers about resizeable ram blocks,
Peter Xu <=
- [PATCH v1 04/13] numa: Make all callbacks of ram block notifiers optional, David Hildenbrand, 2020/02/19
- [PATCH v1 06/13] migrate/ram: Discard new RAM when growing RAM blocks and the VM is stopped, David Hildenbrand, 2020/02/19
- [PATCH v1 05/13] migrate/ram: Handle RAM block resizes during precopy, David Hildenbrand, 2020/02/19