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Commit 036e9ef8 authored by Prarit Bhargava's avatar Prarit Bhargava Committed by Vinod Koul
Browse files

dmaengine: Replace WARN_TAINT_ONCE() with pr_warn_once() 



The WARN_TAINT_ONCE() prints out a loud stack trace on broken BIOSes.
The systems that have this problem are several years out of support and
no longer have BIOS updates available.  The stack trace isn't necessary
and a pr_warn_once() will do.

Change WARN_TAINT_ONCE() to pr_warn_once() and taint.

Signed-off-by: default avatarPrarit Bhargava <prarit@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Duyck, Alexander H <alexander.h.duyck@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 838b56ad

drivers/dma/ioat/dca.c

+4 −4
Original line number Diff line number Diff line
@@ -336,8 +336,8 @@ struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase) 
	}



	if (dca3_tag_map_invalid(ioatdca->tag_map)) {

		WARN_TAINT_ONCE(1, TAINT_FIRMWARE_WORKAROUND,

				"%s %s: APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n",

		add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);

		pr_warn_once("%s %s: APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n",

			     dev_driver_string(&pdev->dev),

			     dev_name(&pdev->dev));

		free_dca_provider(dca);