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Re: [PATCH V5 07/23] physmem: preserve ram blocks for cpr
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From: |
Peter Xu |
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Subject: |
Re: [PATCH V5 07/23] physmem: preserve ram blocks for cpr |
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Date: |
Tue, 24 Dec 2024 12:32:57 -0500 |
On Tue, Dec 24, 2024 at 08:16:52AM -0800, Steve Sistare wrote:
> Save the memfd for ramblocks in CPR state, along with a name that
> uniquely identifies it. The block's idstr is not yet set, so it
> cannot be used for this purpose. Find the saved memfd in new QEMU when
> creating a block. If size of a resizable block is larger in new QEMU,
> extend it via the file_ram_alloc truncate parameter, and the extra space
> will be usable after a guest reset.
>
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
- [PATCH V5 00/23] Live update: cpr-transfer, Steve Sistare, 2024/12/24
- [PATCH V5 05/23] machine: aux-ram-share option, Steve Sistare, 2024/12/24
- [PATCH V5 03/23] physmem: fd-based shared memory, Steve Sistare, 2024/12/24
- [PATCH V5 04/23] memory: add RAM_PRIVATE, Steve Sistare, 2024/12/24
- [PATCH V5 07/23] physmem: preserve ram blocks for cpr, Steve Sistare, 2024/12/24
- Re: [PATCH V5 07/23] physmem: preserve ram blocks for cpr,
Peter Xu <=
- [PATCH V5 06/23] migration: cpr-state, Steve Sistare, 2024/12/24
- [PATCH V5 01/23] backends/hostmem-shm: factor out allocation of "anonymous shared memory with an fd", Steve Sistare, 2024/12/24
- [PATCH V5 08/23] hostmem-memfd: preserve for cpr, Steve Sistare, 2024/12/24
- [PATCH V5 10/23] migration: enhance migrate_uri_parse, Steve Sistare, 2024/12/24
- [PATCH V5 13/23] migration: VMSTATE_FD, Steve Sistare, 2024/12/24
- [PATCH V5 02/23] physmem: qemu_ram_alloc_from_fd extensions, Steve Sistare, 2024/12/24
- [PATCH V5 09/23] hostmem-shm: preserve for cpr, Steve Sistare, 2024/12/24