Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

[Johannes Berg]

On Fri, 2007-09-07 at 07:25 -0700, Paul E. McKenney wrote:

> > I don't like ASSERT_RTNL() much because it actually tries to lock it.
> > I'd be much happer if it was WARN_ON(!mutex_locked(&rtnl_mutex)) or
> > something equivalent.
> 
> Ah!  It would indeed be nice to have a lower-overhead ASSERT_RTNL_LIGHT()
> or whatever.

I don't know why it tries that anyway. Maybe it's from semaphore days
where you couldn't check _is_locked()?

> > In any case, I have an updated patch I'll be sending soon, and it
> > requires a new list walking primitive I'll also send.
> 
> Look forward to seeing it!

Will send in a minute.

johannes

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