From owner-freebsd-current@FreeBSD.ORG  Sat Feb 23 23:32:14 2008
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8CE2816A419
	for <current@freebsd.org>; Sat, 23 Feb 2008 23:32:14 +0000 (UTC)
	(envelope-from barney_cordoba@yahoo.com)
Received: from web63914.mail.re1.yahoo.com (web63914.mail.re1.yahoo.com
	[69.147.97.129])
	by mx1.freebsd.org (Postfix) with SMTP id 43B5B13C458
	for <current@freebsd.org>; Sat, 23 Feb 2008 23:32:13 +0000 (UTC)
	(envelope-from barney_cordoba@yahoo.com)
Received: (qmail 34599 invoked by uid 60001); 23 Feb 2008 23:32:13 -0000
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com;
	h=X-YMail-OSG:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID;
	b=u5vIslepFTBSVk7DCnBWyny6TKuHnY7ygBMErjYXqC3FiDcdLQn6F9bwbRtkhYReywgu53nikL4UmN4VRlrtQXqjPBoCcYVZ0dkbyjoRActuOPFAPJV8BMcEQDJNvhnvm2Fr+lUs5xz4EILwQ0Ymjp+TLpu/KZxGteDLFDSJYpE=;
X-YMail-OSG: 0Ze9yz8VM1l53Ap2s9VimmYe3Bs5gxC4RbUVvBg1e33TyquKl2hf8_KQ2dQA4n3Bhl5FpzeUQGnwCkte3mXrK1WcF.8bCRH_H3NW5DFx81GoCodyxs5qOo5LbOa89IDvEwYnPTmCchg09VIO298V7u2O
Received: from [98.203.28.38] by web63914.mail.re1.yahoo.com via HTTP;
	Sat, 23 Feb 2008 15:32:13 PST
Date: Sat, 23 Feb 2008 15:32:13 -0800 (PST)
From: Barney Cordoba <barney_cordoba@yahoo.com>
To: current@freebsd.org
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
Message-ID: <274346.34322.qm@web63914.mail.re1.yahoo.com>
Cc: 
Subject: splimp()
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 23 Feb 2008 23:32:14 -0000

I'm porting some older software to 7.0 and I see that
many of the 7.0 drivers use both locks and splimps()
to protect code, particularly the firewire driver.
What cases would an splimp() be required?

Barney


      ____________________________________________________________________________________
Be a better friend, newshound, and 
know-it-all with Yahoo! Mobile.  Try it now.  http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ