Re: May the worker function free its struct_work (plus container)?

[Yong Zhang <yong.zhang@windriver.com>]

On Mon, May 10, 2010 at 12:18:38PM +0200, Leon Woestenberg wrote:
> Thanks. Is there API documentation or source code documentation that
> confirms this is the case?

static void run_workqueue(struct cpu_workqueue_struct *cwq)
{
	....

#ifdef CONFIG_LOCKDEP
		/*
		 * It is permissible to free the struct work_struct
		 * from inside the function that is called from it,
		 * this we need to take into account for lockdep too.
		 * To avoid bogus "held lock freed" warnings as well
		 * as problems when looking into work->lockdep_map,
		 * make a copy and use that here.
		 */
		struct lockdep_map lockdep_map = work->lockdep_map;
#endif
	....
}

I think the above comments in run_workqueue() can reflect that
from a certain point.

Thanks,
Yong