From owner-freebsd-emulation@FreeBSD.ORG  Mon Nov  5 15:37:33 2007
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Date: Mon, 5 Nov 2007 16:37:14 +0100
From: Roman Divacky <rdivacky@freebsd.org>
To: Kostik Belousov <kostikbel@gmail.com>
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Cc: freebsd-emulation@freebsd.org
Subject: Re: Linux emulation on FreeBSD AMD64
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> No, this is wrong fix. It changes the ABI for freebsd binaries, and does
> this not only for SysV shm, but for any readable mapping.
 
yes.. the patch is wrong

> Instead, the following things shall be made:
> 1. linux_shmat() shall call kern_shmat().
> 2. kern_shmat() shall take the flag that would force the read mapping
>    to be also executable.
> 3. this flag shall be set when kern_shmat() is called from linux_shmat(),
>    and not set when called from shmat().

that sounds about correct. but I think it should cover 32bit fbsd binaries
running on amd64 as well..

roman