"Paul E. McKenney" (on Fri, 2 May 2008 05:29:55 -0700) wrote: >OK -- for some reason, I was thinking that it was illegal to >invoke smp_call_function() with irqs disabled... > >Ah, I see it -- smp_call_function_mask() says: > > * You must not call this function with disabled interrupts or from a > * hardware interrupt handler or from a bottom half handler. > >So we have no problem with smp_call_function, then. > >OK, so smp_call_function() -can- be invoked with irqs disabled? >Hmmm... I will give this some thought. Doing any smp_call_function with interrupts disabled is a potential deadlock. See http://lkml.org/lkml/2004/5/2/116. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
