Messages in this thread | | | Date | Fri, 24 Dec 2004 12:55:04 -0800 | From | "David S. Miller" <> | Subject | Re: VM fixes [4/4] |
| |
On Fri, 24 Dec 2004 19:22:19 +0100 Andrea Arcangeli <andrea@suse.de> 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@suse.de> 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |