>     Please try this patch.  This should solve all the random harvesting
>     performance issues no matter how efficient or inefficient the hash
>     function (untested as I do not have a -current box at the moment).

Erm, you are behind :-)

I have already committed something that does this in a much more
configurable way.

M

>                                       -Matt
> 
> Index: yarrow.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/random/yarrow.c,v
> retrieving revision 1.31
> diff -u -r1.31 yarrow.c
> --- yarrow.c  2001/02/11 16:21:35     1.31
> +++ yarrow.c  2001/03/12 19:09:15
> @@ -104,11 +104,8 @@
>  
>       for (;;) {
>  
> -             if (harvestring.tail == harvestring.head)
> -                     tsleep(&harvestring, PUSER, "rndslp", hz/10);
> -
> -             else {
> -
> +             tsleep(&harvestring, PUSER, "rndslp", hz/10);
> +             if (harvestring.tail != harvestring.head) {
>                       /* Suck the harvested entropy out of the queue and hash
>                        * it into the appropriate pool.
>                        */
> 
-- 
Mark Murray
Warning: this .sig is umop ap!sdn

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