> >
> > mmc_rescan
> > mmc_register_card
> > device_add
> > mmc_block_probe
> > mmc_block_alloc
> > -> queue thread starts running
> > add_disk
> > -> issues a lot of requests; card fails, my drivers calls mmc_remove_host, which in
correction: my driver schedules (wakes kthread in 0.7) mmc_remove_host - noticed it only now
> > turn calls device_del, though we are still in device_add
> >
>
That's why I think that simply flushing the workqueue is enough. If workqueue is empty we know for
sure that device_add has exited.
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