From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David S. Miller" <davem@davemloft.net>
Date: Fri, 14 Oct 2005 21:42:24 +0000
Subject: Re: qlogicpti kernel panic
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From: Peter Jones <pjones@redhat.com>
Date: Fri, 14 Oct 2005 16:49:34 -0400

> Roughly, what's the portable way?

See the followup patch I posted.

libata-scsi.c is where I culled the code from.

It should be generically somewhere, but the problem
is that the "KM_*" kmap type depends upon the context
in which the routine is called (user or IRQ).