Pieter Palmers wrote: > Stefan Richter wrote: >> Thus? >> preempt_disable(); >> local_irq_save(flags); >> >> read_cycle_timer; >> read_time_of_day; >> >> local_irq_restore(flags); >> preempt_enable(); >> >> in hpsb_read_cycle_timer. > My main issue was that I still had to figure out how to do this... I'm a > very occasional kernel space programmer.
Unfortunately me too, and the level of ieee1394 driver maintenance shows it. > Thanks for the hint, I'll do it like this. > > I still have to check if I don't introduce a too long non-preemptible > path though. It's a simple MMIO read (readl) and the do_gettimeofday, which should be fine. -- Stefan Richter -=====-=-=== ---= ==-== http://arcgraph.de/sr/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
