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Date: Wed, 31 Oct 2007 11:12:28 -0600 (MDT)
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To: yar@FreeBSD.org
From: Warner Losh <imp@bsdimp.com>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src Makefile.inc1
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>   3) With a bit of hackery around rtld(8), it becomes possible to do destructive
>      cross-installs, e.g., i386->amd64 over the live system.
>   but this can lead to security issues.)  That's why a destructive
>   cross-install isn't possible w/o hackery yet.

Does this mean I can now 'sidegrade' my FreeBSD/amd64 box to
FreeBSD/i386?  or is only the 32-bit -> 64-bit direction supported.

Warner