From: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxxxxxxxx>
mcgrof@frijol ~/linux-stable (git::master)$ git describe --contains 6ca04593
v3.5-rc1~147^2~7
This is only enabled for kernels where ratelimit.h was added.
commit 6ca045930338485a8cdef117e74372aa1678009d
Author: Hiroshi DOYU <hdoyu@xxxxxxxxxx>
Date: Mon May 14 10:47:57 2012 +0300
driver core: Add dev_*_ratelimited() family
Add dev_*_ratelimited() family, dev_* version of pr_*_ratelimited().
Using Joe Perches's proposal/implementation.
Signed-off-by: Hiroshi DOYU <hdoyu@xxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>
---
backport/include/linux/compat-3.5.h | 36 +++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/backport/include/linux/compat-3.5.h b/backport/include/linux/compat-3.5.h
index 7e9e65a..dbf8f00 100644
--- a/backport/include/linux/compat-3.5.h
+++ b/backport/include/linux/compat-3.5.h
@@ -10,6 +10,42 @@
#include <net/netlink.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))
+#include <linux/ratelimit.h>
+#define dev_level_ratelimited(dev_level, dev, fmt, ...) \
+do { \
+ static DEFINE_RATELIMIT_STATE(_rs, \
+ DEFAULT_RATELIMIT_INTERVAL, \
+ DEFAULT_RATELIMIT_BURST); \
+ if (__ratelimit(&_rs)) \
+ dev_level(dev, fmt, ##__VA_ARGS__); \
+} while (0)
+
+#define dev_emerg_ratelimited(dev, fmt, ...) \
+ dev_level_ratelimited(dev_emerg, dev, fmt, ##__VA_ARGS__)
+#define dev_alert_ratelimited(dev, fmt, ...) \
+ dev_level_ratelimited(dev_alert, dev, fmt, ##__VA_ARGS__)
+
+
+#if defined(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG)
+#define dev_dbg_ratelimited(dev, fmt, ...) \
+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)
+#else
+#define dev_dbg_ratelimited(dev, fmt, ...) \
+ no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#endif
+
+#endif
+
/*
* This backports:
* commit 569a8fc38367dfafd87454f27ac646c8e6b54bca
--
1.7.10.4
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