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migration: run setup callbacks out of big lock

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Only the migration_bitmap_sync() call needs the iothread lock.

Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-02-22 17:36:28 +01:00 • committed by Juan Quintela
parent 32c835ba39
commit 9b09503752
5 changed files with 12 additions and 7 deletions
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2
block-migration.c
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@ -583,10 +583,12 @@ static int block_save_setup(QEMUFile *f, void *opaque)
DPRINTF("Enter save live setup submitted %d transferred %d\n",
block_mig_state.submitted, block_mig_state.transferred);
qemu_mutex_lock_iothread();
init_blk_migration(f);
/* start track dirty blocks */
set_dirty_tracking(1);
qemu_mutex_unlock_iothread();
ret = flush_blks(f);
blk_mig_reset_dirty_cursor();