Re: [patch 0/4] make pr_debug() dynamic

[Jan Engelhardt]

On Feb 8 2008 10:52, Jason Baron wrote:
>On Thu, Feb 07, 2008 at 02:42:14PM -0800, Joe Perches wrote:
>> On Thu, 2008-02-07 at 16:03 -0500, Jason Baron wrote:
>> > make the pr_debug() function dependent upon the new immediate infrastruture.
>> 
>> What's wrong with klogd -c 8 or equivalent?
>
>Setting the loglevel higher, will not make pr_debug() calls visible. The only
>way to make them visible right now, is by re-compiling the kernel.

pr_debug() was IMHO meant to be a compile-time optimization
to throw out debug messages most people do not want.

If you want to switch on/off debugging messages, use
printk(KERN_DEBUG) [with klogd -c something] and not pr_debug!
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