[4/4] pci/dmar: Set a more specific taint flag for invalid BIOS DMAR tables

Commit Message

Ben Hutchings April 3, 2010, 6:38 p.m. UTC

None

Patch

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)