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migration: extend migration_bitmap

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Prevously, if we hotplug a device(e.g. device_add e1000) during
migration is processing in source side, qemu will add a new ram
block but migration_bitmap is not extended.
In this case, migration_bitmap will overflow and lead qemu abort
unexpectedly.

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Li Zhijian 2015-07-02 20:18:06 +08:00 • committed by Juan Quintela
parent 2ff64038a5
commit dd63169766
3 changed files with 36 additions and 0 deletions
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3
include/exec/exec-all.h
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@ -365,4 +365,7 @@ static inline bool cpu_can_do_io(CPUState *cpu)
return cpu->can_do_io != 0;
}
#if !defined(CONFIG_USER_ONLY)
void migration_bitmap_extend(ram_addr_t old, ram_addr_t new);
#endif
#endif