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Re: [PATCH v3 14/15] numa: Introduce ram_block_notifiers_support_resize(
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From: |
Peter Xu |
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Subject: |
Re: [PATCH v3 14/15] numa: Introduce ram_block_notifiers_support_resize() |
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Date: |
Fri, 28 Feb 2020 15:11:47 -0500 |
On Thu, Feb 27, 2020 at 11:12:04AM +0100, David Hildenbrand wrote:
> We want to actually use resizeable allocations in resizeable ram blocks
> (IOW, make everything between used_length and max_length inaccessible) -
> however, not all ram block notifiers can support that.
>
> Introduce a way to detect if any registered notifier does not
> support resizes - ram_block_notifiers_support_resize() - which we can later
> use to fallback to legacy handling if a registered notifier (esp., SEV and
> HAX) does not support actual resizes.
>
> 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: "Michael S. Tsirkin" <address@hidden>
> Cc: Igor Mammedov <address@hidden>
> Signed-off-by: David Hildenbrand <address@hidden>
Reviewed-by: Peter Xu <address@hidden>
--
Peter Xu
- [PATCH v3 11/15] util/mmap-alloc: Implement resizeable mmaps, (continued)
- [PATCH v3 11/15] util/mmap-alloc: Implement resizeable mmaps, David Hildenbrand, 2020/02/27
- [PATCH v3 12/15] util: vfio-helpers: Implement ram_block_resized(), David Hildenbrand, 2020/02/27
- [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under POSIX, David Hildenbrand, 2020/02/27
- [PATCH v3 15/15] exec: Ram blocks with resizeable anonymous allocations under POSIX, David Hildenbrand, 2020/02/27
- [PATCH v3 14/15] numa: Introduce ram_block_notifiers_support_resize(), David Hildenbrand, 2020/02/27
- Re: [PATCH v3 14/15] numa: Introduce ram_block_notifiers_support_resize(),
Peter Xu <=