linux-kernel - Re: [PATCH -mm 8/9] netconsole: Update documentation for dynamic reconfigurability

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Date:	Thu, 5 Jul 2007 19:33:51 +0530 (IST)
From:	Satyam Sharma <ssatyam@....iitk.ac.in>
To:	Keiichi KII <k-keiichi@...jp.nec.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Netdev <netdev@...r.kernel.org>,
	Joel Becker <joel.becker@...cle.com>,
	Matt Mackall <mpm@...enic.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH -mm 8/9] netconsole: Update documentation for dynamic
 reconfigurability

On Thu, 5 Jul 2007, Satyam Sharma wrote:
> [...]
> BTW I did some testing myself, and have found another *embarrassing* bug:
> if netconsole is loaded _without_ specifying any "netconsole=" parameter,
> module is still kept loaded, but on unloading configfs_unregister_...()
> obviously panics! :-) This should've been found by me earlier, just that
> I never tested without specifying the parameter to modprobe :-(

Basically that check upfront in init_netconsole() checking if the boot/
module param was provided now becomes unnecessary -- with dynamic
reconfigurability, a user might plausibly want to load netconsole without
specifying any params, but add targets later ...

Satyam
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