On Wed, Jun 01, 2016 at 01:13:33PM +0100, Will Deacon wrote: > On Wed, Jun 01, 2016 at 02:06:54PM +0200, Peter Zijlstra wrote: > > Works for me; but that would loose using cmpwait() for > > !smp_cond_load_acquire() spins, you fine with that? > > > > The two conversions in the patch were both !acquire spins. > > Maybe we could go the whole hog and add smp_cond_load_relaxed? What about say the cmpxchg loops in queued_write_lock_slowpath() ? Would that be something you'd like to use wfe for? Writing those in smp_cond_load_{acquire,relaxed)() is somewhat possible but quite ugleh. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html