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To: Joachim Fenkes <fenkes@de.ibm.com>
Subject: Re: [PATCH] ib_core: Add missing device link to class device
References: <200704231820.27752.fenkes@de.ibm.com>
From: Roland Dreier <rdreier@cisco.com>
Date: Mon, 23 Apr 2007 12:17:48 -0700
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	of "Mon, 23 Apr 2007 18:20:27 +0200")
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Hmm, I have links like this on my system already:

    $ ls -l /sys/class/infiniband/mlx4_0/device
    lrwxrwxrwx 1 root root 0 2007-04-23 12:14 /sys/class/infiniband/mlx4_0/device -> ../../../devices/pci0000:00/0000:00:06.0/0000:0d:00.0

the patch actually looks sane but I don't understand why it's needed.
Could you explain?