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ioat/dca: Update DCA BIOS workarounds to use TAINT_FIRMWARE_WORKAROUND
This patch is meant to be a follow-up for a patch originally submitted under the title "ioat: Do not enable DCA if tag map is invalid". It was brought to my attention that the preferred approach for BIOS workarounds is to set the taint flag for TAINT_FIRMWARE_WORKAROUND for systems that require BIOS workarounds. This change makes it so that the DCA workarounds for broken BIOSes will now use WARN_TAINT_ONCE(1, TAINT_FIRMWARE_WORKAROUND, ...) instead of just printing a message via dev_err. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
ea3d1cc285
commit
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1 changed files with 8 additions and 3 deletions
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@ -470,8 +470,10 @@ struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase)
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}
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if (!dca2_tag_map_valid(ioatdca->tag_map)) {
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dev_err(&pdev->dev, "APICID_TAG_MAP set incorrectly by BIOS, "
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"disabling DCA\n");
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WARN_TAINT_ONCE(1, TAINT_FIRMWARE_WORKAROUND,
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"%s %s: APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n",
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dev_driver_string(&pdev->dev),
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dev_name(&pdev->dev));
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free_dca_provider(dca);
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return NULL;
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}
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@ -689,7 +691,10 @@ struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase)
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}
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if (dca3_tag_map_invalid(ioatdca->tag_map)) {
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dev_err(&pdev->dev, "APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n");
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WARN_TAINT_ONCE(1, TAINT_FIRMWARE_WORKAROUND,
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"%s %s: APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n",
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dev_driver_string(&pdev->dev),
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dev_name(&pdev->dev));
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free_dca_provider(dca);
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return NULL;
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}
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