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migration: Add a new option to enable only-migratable

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Add a new option "--only-migratable" in qemu which will allow to add
only those devices which will not fail qemu after migration. Devices
set with the flag 'unmigratable' cannot be added when this option will
be used.

Signed-off-by: Ashijeet Acharya <ashijeetacharya@gmail.com>
Message-Id: <1484566314-3987-3-git-send-email-ashijeetacharya@gmail.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Ashijeet Acharya 2017-01-16 17:01:51 +05:30 • committed by Dr. David Alan Gilbert
parent 05551e58ee
commit d15c05fc1f
3 changed files with 16 additions and 0 deletions
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9
qemu-options.hx
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@ -3585,6 +3585,15 @@ be used to change settings (such as migration parameters) prior to issuing
the migrate_incoming to allow the migration to begin.
ETEXI
DEF("only-migratable", 0, QEMU_OPTION_only_migratable, \
"-only-migratable allow only migratable devices\n", QEMU_ARCH_ALL)
STEXI
@item -only-migratable
@findex -only-migratable
Only allow migratable devices. Devices will not be allowed to enter an
unmigratable state.
ETEXI
DEF("nodefaults", 0, QEMU_OPTION_nodefaults, \
"-nodefaults don't create default devices\n", QEMU_ARCH_ALL)
STEXI