Messages in this thread | | | Date | Thu, 8 Apr 2010 22:11:20 +0200 | From | Frederic Weisbecker <> | Subject | Re: [PATCH v2] perf: Store active software events in a hashlist |
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On Thu, Apr 08, 2010 at 10:04:41PM +0200, Eric Dumazet wrote: > Le jeudi 08 avril 2010 à 21:39 +0200, Frederic Weisbecker a écrit : > > ... > > > @@ -5401,6 +5507,16 @@ static void __cpuinit perf_event_init_cpu(int cpu) > > spin_lock(&perf_resource_lock); > > cpuctx->max_pertask = perf_max_events - perf_reserved_percpu; > > spin_unlock(&perf_resource_lock); > > + > > + mutex_lock(&cpuctx->hlist_mutex); > > + if (&cpuctx->hlist_refcount > 0) { > > > if (cpuctx->hlist_refcount > 0)
Doh! Thanks, will fix.
> > > + struct swevent_hlist *hlist; > > + > > + hlist = kzalloc(sizeof(*hlist), GFP_KERNEL); > > + WARN_ON_ONCE(!hlist); > > + rcu_assign_pointer(cpuctx->swevent_hlist, hlist); > > + } > > + mutex_unlock(&cpuctx->hlist_mutex); > > } > > >
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