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Re: [Qemu-devel] [PATCH 03/13] migration: Add multifd capability
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH 03/13] migration: Add multifd capability |
Date: |
Wed, 26 Oct 2016 18:57:10 +0100 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
* Juan Quintela (address@hidden) wrote:
> Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
> ---
> include/migration/migration.h | 1 +
> migration/migration.c | 9 +++++++++
> qapi-schema.json | 5 +++--
> 3 files changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/include/migration/migration.h b/include/migration/migration.h
> index 37ef4f2..5666068 100644
> --- a/include/migration/migration.h
> +++ b/include/migration/migration.h
> @@ -290,6 +290,7 @@ bool migrate_postcopy_ram(void);
> bool migrate_zero_blocks(void);
>
> bool migrate_auto_converge(void);
> +bool migrate_multifd(void);
>
> int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen,
> uint8_t *dst, int dlen);
> diff --git a/migration/migration.c b/migration/migration.c
> index a71921f..5f7a570 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -1273,6 +1273,15 @@ bool migrate_use_events(void)
> return s->enabled_capabilities[MIGRATION_CAPABILITY_EVENTS];
> }
>
> +bool migrate_multifd(void)
> +{
> + MigrationState *s;
> +
> + s = migrate_get_current();
> +
> + return s->enabled_capabilities[MIGRATION_CAPABILITY_X_MULTIFD];
> +}
> +
> int migrate_use_xbzrle(void)
> {
> MigrationState *s;
> diff --git a/qapi-schema.json b/qapi-schema.json
> index 5a8ec38..bc96ee4 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -574,12 +574,13 @@
> # been migrated, pulling the remaining pages along as needed. NOTE:
> If
> # the migration fails during postcopy the VM will fail. (since 2.6)
> #
> +# @x-multifd: Use more than one fd for migration (since 2.8)
> +#
> # Since: 1.2
> ##
> { 'enum': 'MigrationCapability',
> 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
> - 'compress', 'events', 'postcopy-ram'] }
> -
> + 'compress', 'events', 'postcopy-ram', 'x-multifd'] }
> ##
> # @MigrationCapabilityStatus
> #
> --
> 2.7.4
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- [Qemu-devel] [RFC 00/13] Multifd v2, Juan Quintela, 2016/10/21
- [Qemu-devel] [PATCH 02/13] migration: [HACK] Don't create decompression threads if not enabled, Juan Quintela, 2016/10/21
- [Qemu-devel] [PATCH 03/13] migration: Add multifd capability, Juan Quintela, 2016/10/21
- Re: [Qemu-devel] [PATCH 03/13] migration: Add multifd capability,
Dr. David Alan Gilbert <=
- [Qemu-devel] [PATCH 04/13] migration: Create x-multifd-threads parameter, Juan Quintela, 2016/10/21
- [Qemu-devel] [PATCH 01/13] migration: create Migration Incoming State at init time, Juan Quintela, 2016/10/21
- [Qemu-devel] [PATCH 05/13] migration: create multifd migration threads, Juan Quintela, 2016/10/21
- [Qemu-devel] [PATCH 06/13] migration: Start of multiple fd work, Juan Quintela, 2016/10/21
- [Qemu-devel] [PATCH 07/13] migration: create ram_multifd_page, Juan Quintela, 2016/10/21