On Tue, Sep 21, 2010 at 07:59:10AM -0700, Paul E. McKenney wrote: > On Mon, Sep 20, 2010 at 01:40:55PM -0700, Paul E. McKenney wrote: > > On Tue, Sep 21, 2010 at 08:26:14AM +1200, Michael Cree wrote: > > > On 21/09/10 06:25, Paul E. McKenney wrote: > > > >But do we really care about Alpha anymore? (I can see it now... The > > > >Alpha portion of the kernel tree moves to staging...) > > > > > > I do. > > > > > > Sent from my Compaq Alpha XP1000 :-) > > > > In that case, an smp_read_barrier_depends() or rcu_dereference() is > > also required... > > Wait a minute... I finally got a chance to look up the system. This > system has only a single Alpha CPU, right? > > If so, just build a UP kernel and be happy. No need to worry about > any of these SMP issues. > > So, an alternative proposal -- support only UP kernels on Alpha. ;-) And there do seem to be some SMP Alpha systems still in use: http://www.alphalinux.org/wiki/index.php/User:Armin76/HW_list Thanx, Paul -- 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
