On Mon, 2006-01-30 at 11:25 +0100, Jan Engelhardt wrote: > >> You can't do that. > > > >Exactly why not? Assuming there are zero users left in the kernel..... > >(which highly obviously is a prerequisite for even thinking about such a > >step) > > Documentation/mutex-design.txt: > * - mutexes may not be used in irq contexts > > I need some locking strategy within irq contexts, and that suggests > semaphores do the job. well... maybe. If you need to mess inside irq context, spinlocks sound more the right thing. Or if you need to do a "I'm done" in the irq and a "sleep until done" thing in process context, then you really should use completions instead. - 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/
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