Re: ide-cs using 100% CPU

[Hamie]

Robert Hancock wrote:

> It isn't that the CPU is doing so much work, it's mostly waiting. However
>  

That was my point... While waiting, shouldn't the CPU be off doing 
something else? Like giving X some attention...

> with this type of PIO access, the CPU must do all the reads/writes from the
> buffer and while doing this the CPU is blocked and cannot do anything else.
>
>  

Or is the CF requirements such that it's spending it's time doing the 
actual reads & writes from the buffer, and it's the hardware inserting 
wait-states when it's being accessed?


-
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/