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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>
This commit is contained in:
Ben Hutchings 2010-04-03 19:38:43 +01:00 committed by David Woodhouse
parent 3a8663ee61
commit fd0c889489
1 changed files with 16 additions and 12 deletions
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28
drivers/pci/dmar.c
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@ -360,12 +360,14 @@ dmar_parse_one_rhsa(struct acpi_dmar_header *header)
return 0; return 0;
} }
} }
WARN(1, "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n" WARN_TAINT(
"BIOS vendor: %s; Ver: %s; Product Version: %s\n", 1, TAINT_FIRMWARE_WORKAROUND,
drhd->reg_base_addr, "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
dmi_get_system_info(DMI_BIOS_VENDOR), "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
dmi_get_system_info(DMI_BIOS_VERSION), drhd->reg_base_addr,
dmi_get_system_info(DMI_PRODUCT_VERSION)); dmi_get_system_info(DMI_BIOS_VENDOR),
dmi_get_system_info(DMI_BIOS_VERSION),
dmi_get_system_info(DMI_PRODUCT_VERSION));
return 0; return 0;
} }
@ -620,12 +622,14 @@ int __init dmar_table_init(void)
static void warn_invalid_dmar(u64 addr, const char *message) static void warn_invalid_dmar(u64 addr, const char *message)
{ {
WARN_ONCE(1, "Your BIOS is broken; DMAR reported at address %llx%s!\n" WARN_TAINT_ONCE(
"BIOS vendor: %s; Ver: %s; Product Version: %s\n", 1, TAINT_FIRMWARE_WORKAROUND,
addr, message, "Your BIOS is broken; DMAR reported at address %llx%s!\n"
dmi_get_system_info(DMI_BIOS_VENDOR), "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
dmi_get_system_info(DMI_BIOS_VERSION), addr, message,
dmi_get_system_info(DMI_PRODUCT_VERSION)); 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) int __init check_zero_address(void)