linux-kernel - Re: [PATCH] staging: ozwpan: Convert printk to dev

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Date:	Wed, 26 Jun 2013 17:26:10 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jason Baron <jasonbaron0@...il.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Rupesh Gujare <rupesh.gujare@...el.com>,
	devel@...uxdriverproject.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, shigekatsu.tateno@...el.com,
	jim.cromie@...il.com, trenn@...e.de
Subject: Re: [PATCH] staging: ozwpan: Convert printk to dev_dbg()

On Wed, 2013-06-26 at 13:46 -0400, Jason Baron wrote:

> echo "grouping control_var level N +p" > /debugfs/dynamic_debug/control
> 
> or
> 
> echo "grouping control_var mask 0xN +p" > /debugfs/dynamic_debug/control
> 
> So we can think of the 'control_var' as 'grouping' debug statements
> together. So it would provide a nice way of associating statements
> together other than the existing: module, func, file, format, and line
> selectors.

As well as making them compatible with the current
module debug control vars by using their address when
appropriate.


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