linux-kernel - Re: Oops after cd /sys/.../cpufreq/; rmmod; cat stats/time_in

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Message-ID: <20070322035104.GA17159@redhat.com>
Date:	Wed, 21 Mar 2007 23:51:04 -0400
From:	Dave Jones <davej@...hat.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Alexey Dobriyan <adobriyan@...ru>, linux-kernel@...r.kernel.org,
	akpm@...l.org
Subject: Re: Oops after cd /sys/.../cpufreq/; rmmod; cat stats/time_in_state

On Wed, Mar 21, 2007 at 08:07:53PM -0700, Greg KH wrote:

 > > After modprobe/rmmod cpufreq/stats directory appears but doesn't get
 > > removed. Should it?
 > Well, one can argue that those stats should never be in sysfs at all
 > anyway, I mean come on, a histogram in sysfs?  That's, not ok.

Meh, it's only a cheesy debug thing, so it's not really that big a deal imo.
it could probably move to debugfs (we didn't have that when it was merged iirc)
I doubt anyone really cares enough to bother though I wouldn't
be averse to a patch.
To the best of my knowledge, nothing in userspace is relying on that stuff
being present (it'd have to cope with it not being there anyway given its
optional).

	Dave

-- 
http://www.codemonkey.org.uk
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