linux-kernel - Re: debugfs related oops in mac80211/ath9k

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Message-Id: <1245775932.21314.40.camel@johannes.local>
Date:	Tue, 23 Jun 2009 18:52:12 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	ath9k-devel@...ts.ath9k.org,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: debugfs related oops in mac80211/ath9k

On Tue, 2009-06-23 at 18:29 +0200, Jiri Slaby wrote:

> We need some kind of barrier in debugfs_remove, so that all processes
> with that file opened finishes first. Any ideas?

That has been discussed countless times, and is the reason all debugfs
files are not readable by regular users (or shouldn't be); it isn't
possible to solve before revoke() exists.

johannes

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