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| author |   David Howells <dhowells@redhat.com> | 2010-08-12 16:54:57 +0100 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-12 09:51:35 -0700 |
| commit | 12fdff3fc2483f906ae6404a6e8dcf2550310b6f (patch) | |
| tree | a79fb1365fce7c7529655a8802d6d6bf8509b374 /include/linux/kernel.h | |
| parent | MN10300: Don't try and #include <linux/slab.h> in lib/inflate.c from bootloader (diff) | |
| download | linux-dev-12fdff3fc2483f906ae6404a6e8dcf2550310b6f.tar.xz linux-dev-12fdff3fc2483f906ae6404a6e8dcf2550310b6f.zip | |
Add a dummy printk function for the maintenance of unused printks
Add a dummy printk function for the maintenance of unused printks through gcc
format checking, and also so that side-effect checking is maintained too.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d848cb854655..2b0a35e6bc69 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -306,6 +306,13 @@ static inline void log_buf_kexec_setup(void) } #endif +/* + * Dummy printk for disabled debugging statements to use whilst maintaining + * gcc's format and side-effect checking. + */ +static inline __attribute__ ((format (printf, 1, 2))) +int no_printk(const char *s, ...) { return 0; } + extern int printk_needs_cpu(int cpu); extern void printk_tick(void); |