Messages in this thread | | | Date | Fri, 24 Dec 2004 23:40:14 -0500 | From | Jeff Garzik <> | Subject | Re: VM fixes [1/4] |
| |
On Fri, Dec 24, 2004 at 07:20:31PM +0100, Andrea Arcangeli wrote: > On Fri, Dec 24, 2004 at 10:00:16AM -0800, David S. Miller wrote: > > On Fri, 24 Dec 2004 18:35:19 +0100 > > Andrea Arcangeli <andrea@suse.de> wrote: > > > > > I made used_math a char at the light of later patches. per-cpu atomicity > > > with byte granularity is provided by all archs AFIK. > > > > Older Alpha's need to read-modify-write a word to implement > > byte ops. > > Yep, I remeber this was the case in some old alpha. But did they support > smp too? I can't see how that old hardware could support smp. If they're > UP they're fine.
Sure... there were older Alpha SMP boxes without the BWX and CIX extensions.
Jeff
- 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/
| |