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Make DEBUG take precedence over DYNAMIC_PRINTK_DEBUG

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Statically defined DEBUG should take precedence over
dynamically enabled debugging; otherwise adding DEBUG
(like, for example, via CONFIG_DEBUG_KOBJECT) does not
have the expected result of printing pr_debug() and dev_dbg()
messages unconditionally.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Cornelia Huck 2008-12-04 16:55:47 +01:00 • committed by Greg Kroah-Hartman
parent b9daa99ee5
commit d0d85ff989
2 changed files with 8 additions and 8 deletions
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8
include/linux/kernel.h
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@ -349,13 +349,13 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
/* If you are writing a driver, please use dev_dbg instead */
#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
#if defined(DEBUG)
#define pr_debug(fmt, ...) \
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#elif defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
#define pr_debug(fmt, ...) do { \
dynamic_pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
#elif defined(DEBUG)
#define pr_debug(fmt, ...) \
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
#define pr_debug(fmt, ...) \
({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; })