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Commit 32f7451d authored by kernel@kyup.com's avatar kernel@kyup.com Committed by Doug Ledford
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ipoib: Make ipoib_warn ratelimited 



In certain cases it's possible to be flooded by warning messages. To
cope with such situations make the ipoib_warn macro be ratelimited.
To prevent accidental limiting of legitimate, bursty messages make
the limit fairly liberal by allowing up to 100 messages in 10 seconds.

Signed-off-by: default avatarNikolay Borisov <kernel@kyup.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent fb6375d7

drivers/infiniband/ulp/ipoib/ipoib.h

+7 −1
Original line number Original line Diff line number Diff line
@@ -771,7 +771,13 @@ static inline void ipoib_unregister_debugfs(void) { } 
#define ipoib_printk(level, priv, format, arg...)	\

#define ipoib_printk(level, priv, format, arg...)	\

	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)

	printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)

#define ipoib_warn(priv, format, arg...)		\

#define ipoib_warn(priv, format, arg...)		\

	ipoib_printk(KERN_WARNING, priv, format , ## arg)

do {							\

	static DEFINE_RATELIMIT_STATE(_rs,		\

		10 * HZ /*10 seconds */,		\

		100);		\

	if (__ratelimit(&_rs))				\

		ipoib_printk(KERN_WARNING, priv, format , ## arg);\

} while (0)





extern int ipoib_sendq_size;

extern int ipoib_sendq_size;

extern int ipoib_recvq_size;

extern int ipoib_recvq_size;