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See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, mikey@neuling.org, herbert@gondor.apana.org.au, npiggin@gmail.com, sukadev@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" > > +struct task_struct *fault_handler; > + > +void vas_wakeup_fault_handler(int virq, void *arg) > +{ > + struct vas_instance *vinst = arg; > + > + atomic_inc(&vinst->pending_fault); > + wake_up(&vinst->fault_wq); > +} > + > +/* > + * Fault handler thread for each VAS instance and process fault CRBs. > + */ > +static int fault_handler_func(void *arg) > +{ > + struct vas_instance *vinst = (struct vas_instance *)arg; > + > + do { > + if (signal_pending(current)) > + flush_signals(current); > + > + wait_event_interruptible(vinst->fault_wq, > + atomic_read(&vinst->pending_fault) || > + kthread_should_stop()); > + > + if (kthread_should_stop()) > + break; > + > + atomic_dec(&vinst->pending_fault); > + } while (!kthread_should_stop()); > + > + return 0; > +} Pleae use threaded interrupts instead of reinventing them badly.