Hi Waiman, On Thu, Jul 09, 2015 at 05:32:21PM +0100, Waiman Long wrote: > v1->v2: > - Take out patch 1 which had been merged to tip. > - Take out patch 4 as the change may impact light load performance > - Rebased to the latest tip branch > > In converting some existing spinlocks to rwlock, it was found that > the write lock slowpath performance isn't as good as the qspinlock. > This patch series tries to improve qrwlock performance to close the > gap between qspinlock and qrwlock. > > With this patch series in place, we can start converting some spinlocks > back to rwlocks where it makes sense and the lock size increase isn't > a concern. Both of these patches look fine to me: Acked-by: Will Deacon <will.deacon@xxxxxxx> Cheers, Will -- 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