On Wed, Jul 11, 2001 at 02:16:39AM +1200, Chris Wedgwood wrote:
> On Tue, Jul 10, 2001 at 04:12:00PM +0200, Christoph Hellwig wrote:
>
> Why limit the user? There are more than enough Linux system that
> have more than 32 CPUs (SGI, DEC, Sun).
>
> The limit is architecture dependant, for ia32/i386 is it 32.
The number of CPUs is currently globally limited to 32 by NR_CPUS in
include/linux/threads.h.
> Making it a per-architecture value or even a config option make a
> lot more sense.
>
> It turns out I was full of it, you can buy off the shelf 32-processor
> systems.
You can. But you cannot buy 32-processor PII (-Xeon) systems that are
supported by Linux.
> In anyone from Compaq is reading this, you should send me a 32-way
> Xeon ASAP just to prove they really work :)
It doesn't.
Christoph
-- Of course it doesn't work. We've performed a software upgrade. - 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/
This archive was generated by hypermail 2b29 : Sun Jul 15 2001 - 21:00:11 EST