Re: [Evms-announce] EVMS announcement

[H. Peter Anvin]

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