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Subject: Re: Use of __pa() with CONFIG_NONLINEAR
From: Dave Hansen <haveblue@us.ibm.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: Mike Kravetz <kravetz@us.ibm.com>, Andy Whitcroft <apw@shadowen.org>,
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On Wed, 2004-07-28 at 13:15, Martin J. Bligh wrote:
> However ... what happens to functions calling __pa that are called from 
> boot time and run time code?

I've actually only run into one of those so far that I know of, and that
was on ppc64 (i386 had none that I found).  In that one case, I used an
if(unlikely()) to optimize for the run-time one.  There might be more,
but I think they're rare enough to just code it with an if() in each
case.

-- Dave