On Wed, 16 Apr 2008, Ingo Molnar wrote: > > so lets fix those preemptability bugs. They show that the > cpu-up/cpu-down ops are called from atomic context - it should normally > be straightforward to sort out - there's no particular reason why the > ->open()/->close() methods of an ftrace plugin should run in atomic > context. Steve, any ideas where the atomicity might come from? >
They shouldn't be called in an atomic section. The only thing I do to protect them is call mutex_lock/unlock. Those should allow preemption to take place. -- Steve _______________________________________________ Nouveau mailing list Nouveau@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/nouveau
