On Thu, 22 Jun 2006, Thomas Gleixner wrote: > On Thu, 2006-06-22 at 00:35 +0100, Esben Nielsen wrote: > > On Wed, 21 Jun 2006, Thomas Gleixner wrote: > > > > > On Wed, 2006-06-21 at 22:29 +0100, Esben Nielsen wrote: > > >>> Find an version against the code in -mm below. Not too much tested yet. > > >> > > >> What if setscheduler is called from interrup context as in the hrt timers? > > > > > > It simply gets stuff going, nothing else. > > > > > What I mean is that we will then do the full priority inheritance boost > > with interrupts off. > > Only in the case when its called from IRQ context. > Uh, Thomas, we can't call rt_mutex_adjust_prio_chain from interrupt context. It grabs the wait_lock, which is documented not to be called by interrupts. So this can easily deadlock the system. -- Steve - 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/
- References:
- 2.6.17-rt1
- From: Ingo Molnar <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Thomas Gleixner <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Steven Rostedt <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Thomas Gleixner <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Steven Rostedt <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Thomas Gleixner <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Thomas Gleixner <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Esben Nielsen <[email protected]>
- Re: Why can't I set the priority of softirq-hrt? (Re: 2.6.17-rt1)
- From: Thomas Gleixner <[email protected]>
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