Re: [PATCH v6 15/16] PCI/AER: Add ratelimits to PCI AER Documentation
From: Bjorn Helgaas <helgaas@kernel.org>
Date: 2025-05-20 19:48:43
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linux-pci, lkml
On Mon, May 19, 2025 at 10:01:09PM -0700, Sathyanarayanan Kuppuswamy wrote:
On 5/19/25 2:35 PM, Bjorn Helgaas wrote:quoted
From: Jon Pan-Doh <redacted> Add ratelimits section for rationale and defaults.
quoted
+AER Ratelimits +-------------- + +Since error messages can be generated for each transaction, we may see +large volumes of errors reported. To prevent spammy devices from flooding +the console/stalling execution, messages are throttled by device and error +type (correctable vs. uncorrectable).Can we list exceptions like DPC and FATAL errors (if added) ?
Like this? +... messages are throttled by device and error +type (correctable vs. non-fatal uncorrectable). Fatal errors, including +DPC errors, are not ratelimited. DPC is currently only triggered for fatal errors.