Re: [PATCHv7 3/3] vhost_net: a kernel-level virtio server

Rusty Russell
2009-11-08T04:09:59Z

On Sat, 7 Nov 2009 03:00:07 am Paul E. McKenney wrote:
> On Fri, Nov 06, 2009 at 03:31:20PM +1030, Rusty Russell wrote:
> > But it's still nasty to use half an API. If it were a few places I would
> > have open-coded it with a comment, or wrapped it. As it is, I don't think
> > that would be a win.
>
> So would it help to have a rcu_read_lock_workqueue() and
> rcu_read_unlock_workqueue() that checked nesting and whether they were
> actually running in the context of a workqueue item? Or did you have
> something else in mind? Or am I misjudging the level of sarcasm in
> your reply? ;-)

You read correctly. If we get a second user, creating an API makes sense.

Thanks,
Rusty.