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Date: Thu, 18 Sep 2008 17:28:40 -0700
From: Peter Grehan <grehan@freebsd.org>
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To: Marcel Moolenaar <xcllnt@mac.com>
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Cc: "Niels S. Eliasen" <nse@delfi-konsult.com>, freebsd-ppc@freebsd.org
Subject: Re: ZFS .. on PowerPC ?
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Hi Marcel,

> ZFS requires 64-bit atomic operations, which
> PowerPC doesn't have. So, we can't build the
> ZFS kernel module. That's probably why you
> get the error...

  Pjd has a workaround for non-LP64 systems in

     cddl/compat/opensolaris/kern/opensolaris_atomic.c

  .. that funnel all 64-bit atomic ops through a single mutex. Not 
particularly efficient but it should still work. Unless I'm missing some 
other code paths here.

later,

Peter.