Subject: Re: newlock
To: None <tech-kern@NetBSD.org>
From: Joerg Sonnenberger <joerg@britannica.bec.de>
List: tech-kern
Date: 09/06/2006 07:59:21
On Tue, Sep 05, 2006 at 03:40:39PM -0700, Bill Studenmund wrote:
> Another would be an iSCSI initiator where splbio() and splnet() get
> mingled. And heven help someone trying to do iSCSI over ppp. :-)
> 
> Other examples would be (could be) where vnd on NFS mingles splbio() and 
> splnet().

How much sense do the various IPL levels actually make when a fast spin
lock (which basically has to block local interrupts anyway) is available?

Joerg