linux-kernel - Re: [PATCH] module loader should not complain about unknown symbol

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Message-ID: <804dabb00711122008t3baa8abbr81ef8ec37e8016a1@mail.gmail.com>
Date:	Tue, 13 Nov 2007 12:08:35 +0800
From:	"Peter Teoh" <htmldeveloper@...il.com>
To:	"Rusty Russell" <rusty@...tcorp.com.au>
Cc:	"Jan Glauber" <jang@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Pavel Emelyanov" <xemul@...nvz.org>,
	"Andi Kleen" <andi@...stfloor.org>,
	"Jon Masters" <jonathan@...masters.org>
Subject: Re: [PATCH] module loader should not complain about unknown symbol

On Nov 13, 2007 10:52 AM, Rusty Russell <rusty@...tcorp.com.au> wrote:
> On Tuesday 13 November 2007 09:23:12 Rusty Russell wrote:
> > Better might be to put in a waitqueue and wake it up whenever a module is
> > deleted or changes status.  Then use_module() can wait if
> > strong_try_module_get() returns -EBUSY (up to 30 seconds, then print a
> > warning and fail).
>

Will it ever go into a deadlock (or likewise DOS scenario) if modA dep
on modB, but modB also dep on modA?
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