On Wed, Feb 12, 2014 at 06:46:39PM +0100, Frederic Weisbecker wrote: > Ok but if the target is idle, dynticks and not polling, we don't have the > choice > but to send an IPI, right? I'm talking about this kind of case.
Yes; but Andy doesn't seem concerned with such hardware (!x86). Anything x86 (except ancient stuff) is effectively polling and wakes up from the TIF_NEED_RESCHED write. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
