dmaengine: idxd: rate limit printk in misc interrupt thread

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Add rate limit to the dev_warn() call in the misc interrupt thread. This
limits dmesg getting spammed if a descriptor submitter is spamming bad
descriptors with invalid completion records and resulting the errors being
continuously reported by the misc interrupt handling thread.

Reported-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Lijun Pan <lijun.pan@intel.com>
Link: https://lore.kernel.org/r/20230924002347.1117757-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2023-09-23 17:23:47 -07:00 • committed by Vinod Koul

parent b1c50ac254

commit 555921feb2

1 changed files with 2 additions and 2 deletions

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drivers/dma/idxd/irq.c

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