Re: VM fixes [4/4]

[David S. Miller]

On Fri, 24 Dec 2004 19:22:19 +0100
Andrea Arcangeli <andrea@xxxxxxx> wrote:

> On Fri, Dec 24, 2004 at 10:01:47AM -0800, David S. Miller wrote:
> > On Fri, 24 Dec 2004 18:41:56 +0100
> > Andrea Arcangeli <andrea@xxxxxxx> wrote:
> > 
> > > + * All archs should support atomic ops with
> > > + * 1 byte granularity.
> > > + */
> > > +	unsigned char memdie;
> > 
> > Again, older Alpha's do not.
> 
> If those old cpus really supported smp in linux, then fixing this bit is
> trivial, just change it to short. Do they support short at least?

No, they do not.  The smallest atomic unit is one 32-bit word.
And yes there are SMP systems using these chips.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/