From owner-freebsd-hackers@FreeBSD.ORG  Mon May 14 02:39:46 2012
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 0A3CF106564A
	for <freebsd-hackers@freebsd.org>; Mon, 14 May 2012 02:39:46 +0000 (UTC)
	(envelope-from willingbug@gmail.com)
Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com
	[209.85.214.182])
	by mx1.freebsd.org (Postfix) with ESMTP id C7CA98FC14
	for <freebsd-hackers@freebsd.org>; Mon, 14 May 2012 02:39:45 +0000 (UTC)
Received: by obcni5 with SMTP id ni5so8956577obc.13
	for <freebsd-hackers@freebsd.org>; Sun, 13 May 2012 19:39:44 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
	h=mime-version:date:message-id:subject:from:to:content-type;
	bh=Ir2x6HW8SyYwXHcZqWzYVVcAZi4ezSX2ad2yN3ueg+c=;
	b=NzzfRZBDBAL5JipqKmc6L9gvjKej6pU9xx6gVKoUUm8htDYLY0U1DpIh0IlQDpe80p
	xbskrGoGFoDv2vBrw4DCvTdvHmc4/5bS2IaqwnIxSttsZ4rEefcJCphib8/af29kmPhB
	jUU5uc9AwtD8CZhzlP3OpBOvgPlu5J77OfNGKeo/v6GhWGuXaZNFyzqm+B8d/CNhVUDL
	wzdOsaMf5WTL1xNi1mjCIySzkKhXTwOw3u4dVR9hMUBO8MYk/seQQe1W2vJVp4wq+jBS
	n0sIRfz6D6ZxLjYXYwVeb7YpQzpr6Qs7j5Isb+d4p01ll1vM3YlBDNcfmEk15ewt3DZz
	dmng==
MIME-Version: 1.0
Received: by 10.60.6.8 with SMTP id w8mr9458351oew.3.1336963184399; Sun, 13
	May 2012 19:39:44 -0700 (PDT)
Received: by 10.182.52.167 with HTTP; Sun, 13 May 2012 19:39:44 -0700 (PDT)
Date: Mon, 14 May 2012 10:39:44 +0800
Message-ID: <CAMSkA6qbcuwbHo2Y-32uCv_zWVJq2mWxK3Uom4uXnbAeMsSHeA@mail.gmail.com>
From: cz li <willingbug@gmail.com>
To: freebsd-hackers <freebsd-hackers@freebsd.org>
Content-Type: text/plain; charset=UTF-8
Subject: FreeBSD supports kernel preemption?
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 14 May 2012 02:39:46 -0000

FreeBSD supports kernel preemption? Kernel preemption mechanism is
what?Where can I find detailed information about it?

Thank you!

chao zhong li
2012/05/14