Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 17 Apr 2006 09:21:47 -0400 | From | Mark Hounschell <> | Subject | Re: RT question : softirq and minimal user RT priority |
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Steven Rostedt wrote: >> Is the smallest usable real-time priority greater than the highest real-time softirq ? > > Nope, you can use any rt priority you want. It's up to you whether you > want to preempt the softirqs or not. Be careful, timers may be preempted > from delivering signals to high priority processes. I have a patch to > fix this, but I'm waiting on input from either Thomas Gleixner or Ingo. > > -- Steve
I know this is an old thread but I seem to be having a problem similar to this and I didn't find any real resolution in the archives.
I'm using the rt16 patch on 2.6.16.5 with complete preemption. I have a high priority rt compute bound task that isn't getting signals from a pci cards interrupt handler. Only when I insure the rt priority of the task is lower than the rt priority of the irq thread ([IRQ 193]) will my task receive signals.
Is this a bug? Is the bug in my interrupt handler? Or is this expected and acceptable?
Thanks Mark
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