On Wed, 26 Mar 2008, Christoph Lameter wrote: > On Tue, 25 Mar 2008, Luck, Tony wrote: > > > 2) Is it feasible to rearrange the MM code so that we don't > > hold any locks while doing a TLB flush? Or should I implement > > some sort of spin_only_semaphore? > > The EMM notifier V2 patchset contains two patches that > convert the immap_lock and the anon_vma lock to semaphores. Please use a mutex, not a semaphore. semaphores should only be used when you need a counting sempahore. Thanks, tglx -- 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