spin_is_locked() broken for uniprocessor?
benh at kernel.crashing.org
Thu Aug 27 19:32:34 EST 2009
On Wed, 2009-08-19 at 11:41 +0200, Peter Zijlstra wrote:
> > > > which implies to me that spin_is_locked() will always return
> false. Is this
> > > > expected behavior.
> > >
> > > That's wrong. spin_is_locked should always return true on UP.
> > Surely it's not that simple? Maybe spin_is_lock() should be
> undefined on UP.
> #define spin_is_locked(l) panic()
> should sort things out quickly ;-)
Not defining it would sort things out even faster and avoid nasty case
of system panic'ing when a module is loaded :-)
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