lkml.org 
[lkml]   [2010]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: memory barrier question
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. ;-)

Thanx, Paul


\
 
 \ /
  Last update: 2010-09-21 17:03    [W:0.036 / U:0.352 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site