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Subject[PATCH 1/2] habanalabs: add rate-limit to an error message
Date
This patch changes the print of an error message about mis-configuration
of the debug infrastructure to be rate-limited, to prevent flooding of
kernel log, as these configuration requests can come at a high rate.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/misc/habanalabs/habanalabs_ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/habanalabs_ioctl.c b/drivers/misc/habanalabs/habanalabs_ioctl.c
index c5f7ecabef0a..cbc5fa1ffe11 100644
--- a/drivers/misc/habanalabs/habanalabs_ioctl.c
+++ b/drivers/misc/habanalabs/habanalabs_ioctl.c
@@ -255,7 +255,7 @@ static int hl_debug_ioctl(struct hl_fpriv *hpriv, void *data)
case HL_DEBUG_OP_SPMU:
case HL_DEBUG_OP_TIMESTAMP:
if (!hdev->in_debug) {
- dev_err(hdev->dev,
+ dev_err_ratelimited(hdev->dev,
"Rejecting debug configuration request because device not in debug mode\n");
return -EFAULT;
}
--
2.17.1
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