Re: [Evms-announce] EVMS announcement

H. Peter Anvin
2002-11-08T19:31:02Z

Alan Cox wrote:
> On Wed, 2002-11-06 at 21:58, H. Peter Anvin wrote:
>
>>>ataraid is just driving dumb ide controllers in the way bios raid does
>>
>>I guess I meant it as a more general question than those specific devices.
>
> Our current software MD driver doesn't support doing that in hardware.
> It has the neccessary infrastructure to consider using hardware xor
> engines but I doubt its every actually more efficient to do so on low
> end devices.

Probably not. The only case where I can imagine it helps is when you
get to push less data across the bus.

-hpa