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vmstate, memory: decouple vmstate from memory API

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Currently creating a memory region automatically registers it for
live migration.  This differs from other state (which is enumerated
in a VMStateDescription structure) and ties the live migration code
into the memory core.

Decouple the two by introducing a separate API, vmstate_register_ram(),
for registering a RAM block for migration.  Currently the same
implementation is reused, but later it can be moved into a separate list,
and registrations can be moved to VMStateDescription blocks.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-12-20 15:59:12 +02:00
parent 8991c79b57
commit c5705a7728
71 changed files with 286 additions and 154 deletions
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3
hw/s390-virtio.c
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@ -184,7 +184,8 @@ static void s390_init(ram_addr_t my_ram_size,
s390_bus = s390_virtio_bus_init(&my_ram_size);
/* allocate RAM */
memory_region_init_ram(ram, NULL, "s390.ram", my_ram_size);
memory_region_init_ram(ram, "s390.ram", my_ram_size);
vmstate_register_ram_global(ram);
memory_region_add_subregion(sysmem, 0, ram);
/* clear virtio region */