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On Wed, Sep 06, 2006 at 07:59:21AM +0200, Joerg Sonnenberger wrote:
> 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. :-)
> >=20
> > Other examples would be (could be) where vnd on NFS mingles splbio() an=
d=20
> > splnet().
>=20
> 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?

A lot. The IPL levels are how we tell a "fast spin lock" what interrupt to=
=20
actually block.

Take care,

Bill

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