Date: Tue, 16 Oct 2001 15:58:44 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Kris Kennaway <kris@obsecurity.org> Cc: chat@FreeBSD.ORG, Dag-Erling Smorgrav <des@ofug.org> Subject: Re: Breaking news: FreeBSD is "considering implementing a preemp Message-ID: <XFMail.011016155844.jhb@FreeBSD.org> In-Reply-To: <20011016084416.A18322@xor.obsecurity.org>
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On 16-Oct-01 Kris Kennaway wrote: > On Tue, Oct 16, 2001 at 05:40:42PM +0200, Dag-Erling Smorgrav wrote: >> Robert Love is writing a patch to make the Linux kernel preemptible, >> and has some interesting ideas about FreeBSD: >> >> http://kerneltrap.com/article.php?sid=328&mode=thread&order=0 > > AFAIK the FreeBSD 5.0 kernel is not fully preemptible either. jhb > was/is working on it but was having problems with stability. Last time I played with it, it was stable on UP x86. It was mostly stable on UP alpha (had a problem where it didn't flush all teh buffers on shutdown) and locked up instantly on SMP x86. It is sitting in a very stale perforce tree (jhb_preemption - //depot/users/jhb/preemption/) that I will be getting back to eventually. > Kris -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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