The kernel should boot PCI without the use of kernel parameters. Display
a FW_BUG warning when pci= is used.
Cc: Myron Stowe <mstowe@xxxxxxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx
Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>
---
drivers/pci/pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 625a4ac..5172060b 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4515,6 +4515,8 @@ static int __init pci_setup(char *str)
}
str = k;
}
+ add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
+ pr_crit(FW_BUG "The PCI configuration has been overridden thorugh the use of pci=. Please report the issue you are attempting to resolve to your hardware vendor.\n");
return 0;
}
early_param("pci", pci_setup);
--
1.7.9.3
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