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migration/savevm: don't worry if bitmap migration postcopy failed
First, if only bitmaps postcopy is enabled (and not ram postcopy) postcopy_pause_incoming crashes on an assertion assert(mis->to_src_file). And anyway, bitmaps postcopy is not prepared to be somehow recovered. The original idea instead is that if bitmaps postcopy failed, we just lose some bitmaps, which is not critical. So, on failure we just need to remove unfinished bitmaps and guest should continue execution on destination. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200727194236.19551-18-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
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