linux-kernel - Re: RFC: dynamic debug enhancements?

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Date:	Mon, 29 Aug 2011 11:35:26 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jim Cromie <jim.cromie@...il.com>
Cc:	Jason Baron <jbaron@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: RFC: dynamic debug enhancements?

On Mon, 2011-08-29 at 12:21 -0600, Jim Cromie wrote:
> how about just passing in condition directly ?
> #define pr_dbg_if( cond, fmt, ... )                  \
> do {                                                        \
>     if (cond)                \
>             pr_debug(fmt, ##__VA_ARGS__);           \
> } while (0)
> this will serve both mask and level, and could underlie both of them,
> and its clear - no hidden checks against a variable named elsewhere.

The idea is to let dynamic debug control the
output for the various mask/level tests.

That could get out of sync with pr_debug.

It separates the pr_debug condition from the test.


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