On Thu, Sep 1, 2011 at 5:54 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx> > > Maintain a flag in both LSBs of the ticket lock which indicates whether > anyone is in the lock slowpath and may need kicking when the current > holder unlocks. The flags are set when the first locker enters > the slowpath, and cleared when unlocking to an empty queue. Are there actually two flags maintained? I only see the one in the ticket tail getting set/cleared/tested. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
