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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: Nikolay Borisov <kernel@kyup.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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1 changed files with 7 additions and 1 deletions
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@ -771,7 +771,13 @@ static inline void ipoib_unregister_debugfs(void) { }
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#define ipoib_printk(level, priv, format, arg...) \
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printk(level "%s: " format, ((struct ipoib_dev_priv *) priv)->dev->name , ## arg)
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#define ipoib_warn(priv, format, arg...) \
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ipoib_printk(KERN_WARNING, priv, format , ## arg)
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do { \
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static DEFINE_RATELIMIT_STATE(_rs, \
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10 * HZ /*10 seconds */, \
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100); \
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if (__ratelimit(&_rs)) \
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ipoib_printk(KERN_WARNING, priv, format , ## arg);\
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} while (0)
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extern int ipoib_sendq_size;
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extern int ipoib_recvq_size;
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