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From: John Baldwin <jhb@freebsd.org>
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Date: Mon, 6 Aug 2012 17:27:39 -0400
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	(bigwig.baldwin.cx); Mon, 06 Aug 2012 17:33:17 -0400 (EDT)
Cc: dteske@freebsd.org
Subject: [PATCH] Add locking to mlx(4)
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Continuing with the theme of locking older storage drivers, I have patches to 
add locking to mlx(4) and mark it MPSAFE.  The patches are from HEAD but 
should apply to 8 or 9.  If you test it on 8 or 9 please enable INVARIANTS for 
at least the initial testing.  Thanks.

http://www.FreeBSD.org/~jhb/patches/mlx_locking.patch

-- 
John Baldwin