Date: Mon, 18 Oct 2004 17:05:49 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.ORG> To: Mark Murray <mark@grondar.org> Cc: cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/dev/random harvest.c Message-ID: <Pine.NEB.3.96L.1041018170423.47572D-100000@fledge.watson.org> In-Reply-To: <200410182050.i9IKoY1x069132@grovel.grondar.org>
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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@fledge.watson.org Principal Research Scientist, McAfee Research
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