cvs commit: src/sys/dev/random harvest.c

[Robert Watson]

On Mon, 18 Oct 2004, Mark Murray wrote:

> >   Log:
> >   Annotate that get_cyclecount() can be expensive on some platforms,
> >   which juxtaposes nicely with the comment just above on how the
> >   harvest function must be cheap.
> 
> Cool. 
> 
> And I have a PHK-inspired improvement to the get_cyclecount() function
> that should improve the !TSC case quite a bit. 
> 
> Commit in a day or three. 

Wonderful.  I figured, since I wasn't making any progress currently on
entropy-related stuff, that I should document the issue.  If you have
fixes in the pipeline, that sounds good to me.  BTW, maybe we should make
this dinner and conversation at the Thai Pub (a good concept) a bi-weekly
thing for FreeBSD developers? :-)

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Principal Research Scientist, McAfee Research