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migration: Introduce ignore-shared capability

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We want to use local migration to update QEMU for running guests.
In this case we don't need to migrate shared (file backed) RAM.
So, add a capability to ignore such blocks during live migration.

Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Message-Id: <20190215174548.2630-3-yury-kotov@yandex-team.ru>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Yury Kotov 2019-02-15 20:45:45 +03:00 • committed by Dr. David Alan Gilbert
parent 754cb9c0eb
commit 18269069c3
3 changed files with 19 additions and 1 deletions
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migration/migration.h
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@ -265,6 +265,7 @@ bool migrate_release_ram(void);
bool migrate_postcopy_ram(void);
bool migrate_zero_blocks(void);
bool migrate_dirty_bitmaps(void);
bool migrate_ignore_shared(void);
bool migrate_auto_converge(void);
bool migrate_use_multifd(void);