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Re: [Qemu-devel] [PATCH v7 17/42] Add migration-capability boolean for p
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH v7 17/42] Add migration-capability boolean for postcopy-ram. |
Date: |
Tue, 16 Jun 2015 09:43:54 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 06/16/2015 04:26 AM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> The 'postcopy ram' capability allows postcopy migration of RAM;
> note that the migration starts off in precopy mode until
> postcopy mode is triggered (see the migrate_start_postcopy
> patch later in the series).
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> ---
> include/migration/migration.h | 1 +
> migration/migration.c | 23 +++++++++++++++++++++++
> qapi-schema.json | 6 +++++-
> 3 files changed, 29 insertions(+), 1 deletion(-)
>
> +++ b/qapi-schema.json
> @@ -526,11 +526,15 @@
> # @auto-converge: If enabled, QEMU will automatically throttle down the guest
> # to speed up convergence of RAM migration. (since 1.6)
> #
> +# @x-postcopy-ram: Start executing on the migration target before all of RAM
> has
> +# been migrated, pulling the remaining pages along as needed. NOTE:
> If
> +# the migration fails during postcopy the VM will fail. (since 2.4)
Marking it experimental because it might change? Or is the interface
pretty stable, but you want more testing time to minimize bugs?
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-devel] [PATCH v7 07/42] ram_debug_dump_bitmap: Dump a migration bitmap as text, (continued)
- [Qemu-devel] [PATCH v7 07/42] ram_debug_dump_bitmap: Dump a migration bitmap as text, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 08/42] migrate_init: Call from savevm, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 09/42] Rename save_live_complete to save_live_complete_precopy, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 10/42] Return path: Open a return path on QEMUFile for sockets, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 11/42] Return path: socket_writev_buffer: Block even on non-blocking fd's, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 12/42] Migration commands, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 13/42] Return path: Control commands, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 14/42] Return path: Send responses from destination to source, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 15/42] Return path: Source handling of return path, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 17/42] Add migration-capability boolean for postcopy-ram., Dr. David Alan Gilbert (git), 2015/06/16
- Re: [Qemu-devel] [PATCH v7 17/42] Add migration-capability boolean for postcopy-ram.,
Eric Blake <=
- [Qemu-devel] [PATCH v7 16/42] Rework loadvm path for subloops, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 19/42] MIG_CMD_PACKAGED: Send a packaged chunk of migration stream, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 20/42] Modify save_live_pending for postcopy, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 18/42] Add wrappers and handlers for sending/receiving the postcopy-ram migration messages., Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 22/42] migrate_start_postcopy: Command to trigger transition to postcopy, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 21/42] postcopy: OS support test, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 23/42] MIGRATION_STATUS_POSTCOPY_ACTIVE: Add new migration state, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 24/42] Add qemu_savevm_state_complete_postcopy, Dr. David Alan Gilbert (git), 2015/06/16
- [Qemu-devel] [PATCH v7 26/42] postcopy: Incoming initialisation, Dr. David Alan Gilbert (git), 2015/06/16