On Tuesday, October 26, 2010, Pierre Tardy wrote: > On Tue, Oct 26, 2010 at 12:58 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > On Tue, 2010-10-26 at 11:56 -0500, Pierre Tardy wrote: > >> > >> + trace_runtime_pm_usage(dev, atomic_read(&dev->power.usage_count)+1); > >> atomic_inc(&dev->power.usage_count); > > > > That's terribly racy.. > > > I know. I'm not proud of this.. As I said, this is preliminary patch. > We dont really need to have this prev_usage. This is just for debug. > It mayprobably endup with something like: > > atomic_inc(&dev->power.usage_count); > + trace_power_device_usage(dev); Well, please tell me what you're trying to achieve. Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
