On Wed, Oct 02, 2013 at 02:13:56PM +0200, Oleg Nesterov wrote: > In short: unless a gp elapses between _exit() and _enter(), the next > _enter() does nothing and avoids synchronize_sched().
That does however make the entire scheme entirely writer biased; increasing the need for the waitcount thing I have. Otherwise we'll starve pending readers. -- 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/
