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authorBen Hutchings <ben@decadent.org.uk>2010-04-03 19:38:43 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-05-19 08:38:11 +0100
commitfd0c8894893cba722bdea12de25b49f980795d06 (patch)
tree1101c32f0c154df0255252ea8bfc1be3dbb74184 /drivers/pci
parent3a8663ee6171e1e61f5c139ed65aa0a769380f00 (diff)
intel-iommu: Set a more specific taint flag for invalid BIOS DMAR tables
We now know how to deal with these tables so that they are harmless. Set TAINT_FIRMWARE_WORKAROUND instead of the default TAINT_WARN. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/dmar.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 1959cdadad5..f4c51709d13 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -360,12 +360,14 @@ dmar_parse_one_rhsa(struct acpi_dmar_header *header)
return 0;
}
}
- WARN(1, "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
- "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
- drhd->reg_base_addr,
- dmi_get_system_info(DMI_BIOS_VENDOR),
- dmi_get_system_info(DMI_BIOS_VERSION),
- dmi_get_system_info(DMI_PRODUCT_VERSION));
+ WARN_TAINT(
+ 1, TAINT_FIRMWARE_WORKAROUND,
+ "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
+ "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
+ drhd->reg_base_addr,
+ dmi_get_system_info(DMI_BIOS_VENDOR),
+ dmi_get_system_info(DMI_BIOS_VERSION),
+ dmi_get_system_info(DMI_PRODUCT_VERSION));
return 0;
}
@@ -620,12 +622,14 @@ int __init dmar_table_init(void)
static void warn_invalid_dmar(u64 addr, const char *message)
{
- WARN_ONCE(1, "Your BIOS is broken; DMAR reported at address %llx%s!\n"
- "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
- addr, message,
- dmi_get_system_info(DMI_BIOS_VENDOR),
- dmi_get_system_info(DMI_BIOS_VERSION),
- dmi_get_system_info(DMI_PRODUCT_VERSION));
+ WARN_TAINT_ONCE(
+ 1, TAINT_FIRMWARE_WORKAROUND,
+ "Your BIOS is broken; DMAR reported at address %llx%s!\n"
+ "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
+ addr, message,
+ dmi_get_system_info(DMI_BIOS_VENDOR),
+ dmi_get_system_info(DMI_BIOS_VERSION),
+ dmi_get_system_info(DMI_PRODUCT_VERSION));
}
int __init check_zero_address(void)