[Hmm, why did this not appear in patchwork.kernel.org? Now I have to guess a CC list.] On Wed, 26 May 2010 around 22:43:50 -0400 (EDT), Len Brown wrote: > From: Len Brown <len.brown@xxxxxxxxx> > > TS_POLLING set tells the scheduler a task will poll > need_resched() to look for work. > True > TS_POLLING clear tells resched_task() and wake_up_idle_cpu() > that the remote CPU is sleeping in idle, and thus requires > a reschedule interrupt to wake them to notice work. No, that only applies to the idle task. > > Update the description of TS_POLLING to reflect how it works. > "cleared when sleeping in idle, requiring reschedule interrupt" That would imply its set for every normal task that is not in some kind of sleep state. > > Signed-off-by: Len Brown <len.brown@xxxxxxxxx> > Acked-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > -#define TS_POLLING 0x0004 /* true if in idle loop > - and not sleeping */ > +#define TS_POLLING 0x0004 /* clear when sleeping in idle > + requiring reschedule interrupt */ How about "idle task polling need_resched, skip sending interrupt"? milton -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
