Re: 2.4.x and SMP fails to compile (`current' undefined)

Tom Leete (tleete@mountain.net)
Thu, 01 Feb 2001 08:53:59 -0500


Alan Cox wrote:
>
> We have a very large number of memcpy's of unknown short length (often in
> interrupts) that are close to branches. A lot of
>
> if(foo==NULL)
> return
> memcpy(..
>
> stuff for example.
>
> Im more than happy for someone to do the benches and prove me wrong

Agreed, that is a bad case, and there is overhead for it in my patch. I'm
putting together some metrics, will post results here.

Regards,
Tom

-- 
The Daemons lurk and are dumb. -- Emerson
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/