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@xxxxxxxxxxxxxxx>
---
Changes since the previous version:
- Removed changes to the warning messages
- Applied the same change in dmar_parse_one_rhsa()
Ben.
drivers/pci/dmar.c | 28 ++++++++++++++++------------
1 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 2143017..b5ba893 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -358,12 +358,14 @@ 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;
}
@@ -616,12 +618,14 @@ 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)
--
1.7.0.3
--
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