netdev - Re: [RFC][PATCH] Fix another namespace issue with devices assigned to classes

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Message-ID: <AANLkTin2sci1gSmwx-tjazYGFAcUNRKhJFI7Bt0KvVe3@mail.gmail.com>
Date:	Mon, 14 Jun 2010 11:39:11 +0200
From:	Kay Sievers <kay.sievers@...y.org>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Greg KH <greg@...ah.com>, netdev <netdev@...r.kernel.org>
Subject: Re: [RFC][PATCH] Fix another namespace issue with devices assigned to 
	classes

On Mon, Jun 14, 2010 at 11:20, Johannes Berg <johannes@...solutions.net> wrote:
> On Mon, 2010-06-14 at 11:13 +0200, Kay Sievers wrote:
>
>> That would block the rmmod process until the resources are cleaned up,
>> wouldn't it?
>
> Yes, would that be so bad?

Sounds fine, if we can expect that nothing else can hold a reference
and may block rmmod for a very long time with this logic. Sysfs access
should be fine these days, Tejun changed this a while ago.

> It just needs a wait_for_bus_exit() function that the module calls in
> _exit?

Sounds worth trying, to see if that works as expected.

Kay
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