Driver will schedule MPI event using "delay_work_queue_on" to specify same CPU to be used to schedule work. Earlier it used "delay_work_queue" which can cause migration of work due to kernel' timer migration feature. Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxx> --- diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 83f5f79..c65aa75 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -290,10 +290,11 @@ mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, spin_lock_irqsave(&ioc->fw_event_lock, flags); list_add_tail(&fw_event->list, &ioc->fw_event_list); INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work); - devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)\n", - ioc->name, __func__, fw_event)); - queue_delayed_work(ioc->fw_event_q, &fw_event->work, - delay); + devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)" + "on cpuid %d\n", ioc->name, __func__, + fw_event, smp_processor_id())); + queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, + &fw_event->work, delay); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -305,10 +306,11 @@ mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, unsigned long flags; spin_lock_irqsave(&ioc->fw_event_lock, flags); devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task " - "(fw_event=0x%p)\n", ioc->name, __func__, fw_event)); + "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__, + fw_event, smp_processor_id())); fw_event->retries++; - queue_delayed_work(ioc->fw_event_q, &fw_event->work, - msecs_to_jiffies(delay)); + queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, + &fw_event->work, msecs_to_jiffies(delay)); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
