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| author | Ben Hutchings <ben@decadent.org.uk> | 2010-04-03 19:38:43 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-19 08:38:11 +0100 |
| commit | fd0c8894893cba722bdea12de25b49f980795d06 (patch) | |
| tree | 1101c32f0c154df0255252ea8bfc1be3dbb74184 /drivers/pci/dmar.c | |
| parent | 3a8663ee6171e1e61f5c139ed65aa0a769380f00 (diff) | |
| download | kernel_samsung_smdk4412-fd0c8894893cba722bdea12de25b49f980795d06.zip kernel_samsung_smdk4412-fd0c8894893cba722bdea12de25b49f980795d06.tar.gz kernel_samsung_smdk4412-fd0c8894893cba722bdea12de25b49f980795d06.tar.bz2 | |
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/dmar.c')
| -rw-r--r-- | 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 1959cda..f4c5170 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) |