[linux-audio-user] -rt IRQ handler priorities

Lee Revell rlrevell at joe-job.com
Wed May 10 06:49:36 EDT 2006


On Wed, 2006-05-10 at 08:25 +0200, Thomas Gleixner wrote:
> On Wed, 2006-05-10 at 02:15 -0400, Steven Rostedt wrote:
> > I've CC'd Thomas Gleixner.  I beleive that the hrtimers code now uses
> > priorities.  That is, when a timer is to go off, the hrtimer softirq
> > inherits the priority of the task that created the timer.  Thomas, correct
> > me if I'm wrong.  But I also believe this code is a work in progress, and
> > the more feedback of what people want/need the better we can make the code
> > do just that.
> > 
> > Is the high res timers turned on?
> 
> http://www.linutronix.de/index.php?module=News&id=cntnt01&cntnt01action=detail&cntnt01articleid=8&cntnt01dateformat=%b%20%d,%20%Y&cntnt01returnid=31
> 
> This is only true, when high resolution timers are enabled. 

Is there any solution for the !CONFIG_HIGH_RES_TIMERS case?  I for one
can't use it because my hardware doesn't support it (no local APIC).

Lee




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