Messages in this thread |  | | From | Oded Gabbay <> | Date | Fri, 7 Jun 2019 11:08:22 +0300 | Subject | Re: [PATCH 1/2] habanalabs: add rate-limit to an error message |
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On Thu, Jun 6, 2019 at 9:54 PM Joe Perches <joe@perches.com> wrote: > > On Thu, 2019-06-06 at 15:20 +0300, Oded Gabbay wrote: > > 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. > [] > > diff --git 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; > > } > > Perhaps this should be dev_dbg > > But this a basic error. I prefer to give visibility to the user in such a case.
Thanks, Oded
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