On Wed, Jun 01, 2016 at 02:06:54PM +0200, Peter Zijlstra wrote: > On Wed, Jun 01, 2016 at 01:00:10PM +0100, Will Deacon wrote: > > On Wed, Jun 01, 2016 at 11:31:58AM +0200, Peter Zijlstra wrote: > > > Will, since ARM64 seems to want to use this, does the below make sense > > > to you? > > > > Not especially -- I was going to override smp_cond_load_acquire anyway > > because I want to build it using cmpwait_acquire and get rid of the > > smp_acquire__after_ctrl_dep trick, which is likely slower on arm64. > > > > So I'd be happier nuking cmpwait from the generic interfaces and using > > smp_cond_load_acquire everywhere, if that's possible. > > 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? Will -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
