linux-kernel - Re: [PATCH 1/2] random: make it possible to enable debugging without rebuild

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Date:	Mon, 08 Oct 2012 12:45:50 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Theodore Ts'o <tytso@....edu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] random: make it possible to enable debugging
 without rebuild

On Mon, 2012-10-08 at 16:39 +0200, Jiri Kosina wrote:
> The module parameter that turns debugging mode (which basically means 
> printing a few extra lines during runtime) is in '#if 0' block. Forcing 
> everyone who would like to see how entropy is behaving on his system seems 
> to be a little bit too harsh.
> If we were concerned about speed, we could potentially turn 'debug' into
> a static key, but I don't think it's necessary.
> 
> Drop the '#if 0' block to allow using the 'debug' parameter without rebuilding.

I'd also convert the printk(KERN_DEBUG to pr_debug
to avoid penalizing non-debug builds altogether.



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