Posted Mar 22, 2012 11:43 UTC (Thu) by abacus (guest, #49001)
Parent article: The perils of pr_info()
I think it's worth mentioning here that printk(KERN_DEBUG ...) statements are always enabled while when using pr_dbg() one gets dynamic debug support for free.
Posted Mar 22, 2012 13:26 UTC (Thu) by corbet (editor, #1)
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In fact, it's so worth mentioning that I did mention it in the article...:) Except that I mentioned it with regard to pr_debug(), which is the actual name of the macro.