Re: faster via/centaur hw rng throughput patch for 2.6.8.1

[Jeff Garzik]

Martin Peck wrote:
> - use of cpu_has_xstore replaced with model / stepping
>   checks to determine C5XL/C5P/C5J/* capability.  there
>   is a problem with first generation C5XL boards (with
>   stepping 0 IIRC) that do not report xstore but do
>   have a functional hardware rng device.  the stepping
>   check also distinguishes the single entropy C5XL from
>   the dual entropy C5P+.


Oh, and this change is going in the wrong direction.

You should instead modify arch/i386/kernel/cpu/centaur.c with code that 
does something like

if (!xstore feature bit reported)
	check stepping and see if it's there anyway

Regards,

	Jeff


-
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/