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Date:      Tue, 28 Apr 1998 09:36:39 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com>
Cc:        current@FreeBSD.ORG, multimedia@FreeBSD.ORG
Subject:   Re: Patches to Linux emulator enc. 
Message-ID:  <199804281636.JAA00488@dingo.cdrom.com>
In-Reply-To: Your message of "Fri, 10 Apr 1998 14:46:45 %2B0800." <199804100646.OAA27390@ariadne.tensor.pgs.com> 

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> 
> These diffs implement the mremap & ioperm system calls for Linux, which is 
> sufficient to allow a certain Linux 3d visualisation & simulation program to 
> run. The work was done by Amancio Hasty & another whose name I can't recall at 
> the moment. I would've sent it in as a PR, but don't have a machine with 
> send-pr attached to the net at the moment.

These patches have the following problems.  If you can address these, 
I'll make sure they're committed.

 - they back out some of the time-related changes.
 - the linux_ioperm() emulation does not check for appropriate
   priviledges before succeeding.  This would open a gaping security
   hole.

Thanks, and sorry for taking so long to get back to you on them.

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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