Yes - Actually I need to wait for a device to finish something after which I(device) error out. Ideally, I would like a simple function using the standard apis that works on most kernels. I cannot use jiffies as I mentioned earlier. Still working on it.
-Asim On Fri, Mar 6, 2009 at 8:28 AM, Henrik Austad <[email protected]> wrote: > On Wednesday 04 March 2009 18:50:49 Asim wrote: >> Hi, > - Show quoted text - > Hi, > >> I would like to wait in a while loop for two clock ticks. I was >> wondering how do I do this. I do not want to use jiffies since >> interrupts may be disabled in this loop. Any help? > > Can you suspend whilst waiting? I.e. have you looked at hrtimers? Then you can > pretty much wait for however long you want. If you need to start very shortly > after the timer expires, regardless of the load etc, you should probably have > a look at the rt-patch series. > > Btw, why do you need to wait for 2 whole ticks? And, have you condisdered the > consequences of this code in a tickless kernel? > >> Regards, >> Asim > > enrik > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
