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For the printing of RMP_HW_ERROR / RMP_PAGE_FAULT / IO_PAGE_FAULT
events, the AMD IOMMU code uses such logic:
if (pdev)
dev_data = dev_iommu_priv_get(&pdev->dev);
if (dev_data && __ratelimit(&dev_data->rs)) {
pci_err(pdev, ...
} else {
printk_ratelimit() / pr_err{,_ratelimited}(...
}
This means that if we receive an event for a PCI devid which actually
does have a struct pci_dev and an attached struct iommu_dev_data, but
rate limiting kicks in, we'll fall back to the non-PCI branch of the
test, and print the event in a different format.
Fix this by changing the logic to:
if (dev_data) {
if (__ratelimit(&dev_data->rs)) {
pci_err(pdev, ...
}
} else {
pr_err_ratelimited(...
}
Suggested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/YPgk1dD1gPMhJXgY@wantstofly.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
ee974d9625