diff options
| author |   Hiroshi Doyu <hdoyu@nvidia.com> | 2012-09-04 06:40:40 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-10 20:28:11 -0700 |
| commit | 6f586e663e3b3674cadad0d5329424b006a0a289 (patch) | |
| tree | 410cdc4d25578e0b4eb33661929276b25453358f /include/linux/device.h | |
| parent | tools/hv: Parse /etc/os-release (diff) | |
| download | linux-dev-6f586e663e3b3674cadad0d5329424b006a0a289.tar.xz linux-dev-6f586e663e3b3674cadad0d5329424b006a0a289.zip | |
driver-core: Shut up dev_dbg_reatelimited() without DEBUG
dev_dbg_reatelimited() without DEBUG printed "217078 callbacks
suppressed". This shouldn't print anything without DEBUG.
With CONFIG_DYNAMIC_DEBUG, the print should be configured as expected.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reported-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Tested-by: Antti Palosaari <crope@iki.fi>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 62 |
1 files changed, 38 insertions, 24 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index ecd900663726..378a27c1d1af 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -950,6 +950,32 @@ int _dev_info(const struct device *dev, const char *fmt, ...) #endif +/* + * Stupid hackaround for existing uses of non-printk uses dev_info + * + * Note that the definition of dev_info below is actually _dev_info + * and a macro is used to avoid redefining dev_info + */ + +#define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg) + +#if defined(CONFIG_DYNAMIC_DEBUG) +#define dev_dbg(dev, format, ...) \ +do { \ + dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ +} while (0) +#elif defined(DEBUG) +#define dev_dbg(dev, format, arg...) \ + dev_printk(KERN_DEBUG, dev, format, ##arg) +#else +#define dev_dbg(dev, format, arg...) \ +({ \ + if (0) \ + dev_printk(KERN_DEBUG, dev, format, ##arg); \ + 0; \ +}) +#endif + #define dev_level_ratelimited(dev_level, dev, fmt, ...) \ do { \ static DEFINE_RATELIMIT_STATE(_rs, \ @@ -973,33 +999,21 @@ do { \ dev_level_ratelimited(dev_notice, dev, fmt, ##__VA_ARGS__) #define dev_info_ratelimited(dev, fmt, ...) \ dev_level_ratelimited(dev_info, dev, fmt, ##__VA_ARGS__) +#if defined(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG) #define dev_dbg_ratelimited(dev, fmt, ...) \ - dev_level_ratelimited(dev_dbg, dev, fmt, ##__VA_ARGS__) - -/* - * Stupid hackaround for existing uses of non-printk uses dev_info - * - * Note that the definition of dev_info below is actually _dev_info - * and a macro is used to avoid redefining dev_info - */ - -#define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg) - -#if defined(CONFIG_DYNAMIC_DEBUG) -#define dev_dbg(dev, format, ...) \ -do { \ - dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ +do { \ + static DEFINE_RATELIMIT_STATE(_rs, \ + DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) && \ + __ratelimit(&_rs)) \ + __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ + ##__VA_ARGS__); \ } while (0) -#elif defined(DEBUG) -#define dev_dbg(dev, format, arg...) \ - dev_printk(KERN_DEBUG, dev, format, ##arg) #else -#define dev_dbg(dev, format, arg...) \ -({ \ - if (0) \ - dev_printk(KERN_DEBUG, dev, format, ##arg); \ - 0; \ -}) +#define dev_dbg_ratelimited(dev, fmt, ...) \ + no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) #endif #ifdef VERBOSE_DEBUG |