diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index e88d446..8809654 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -178,12 +178,264 @@
 	acpi_dmi_osi_linux(1, d);	/* enable */
 	return 0;
 }
+static int __init dmi_disable_osi_linux(const struct dmi_system_id *d)
+{
+	acpi_dmi_osi_linux(0, d);	/* disable */
+	return 0;
+}
+static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
+{
+	acpi_dmi_osi_linux(-1, d);	/* unknown */
+	return 0;
+}
+
+/*
+ * Most BIOS that invoke OSI(Linux) do nothing with it.
+ * But some cause Linux to break.
+ * Only a couple use it to make Linux run better.
+ *
+ * Thus, Linux should continue to disable OSI(Linux) by default,
+ * should continue to discourage BIOS writers from using it, and
+ * should whitelist the few existing systems that require it.
+ *
+ * If it appears clear a vendor isn't using OSI(Linux)
+ * for anything constructive, blacklist them by name to disable
+ * unnecessary dmesg warnings on all of their products.
+ */
 
 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 	/*
+	 * Disable OSI(Linux) warnings on all "Acer, inc."
+	 *
+	 * _OSI(Linux) disables the latest Windows BIOS code:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"),
+	 * _OSI(Linux) effect unknown:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Acer, inc.",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Acer, inc."),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "Acer"
+	 *
+	 * _OSI(Linux) effect unknown:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
+	 */
+	{
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Acer",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "Apple Computer, Inc."
+	 *
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"),
+	 * _OSI(Linux) effect unknown:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Apple",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "BenQ"
+	 *
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "BenQ",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "BenQ"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "Clevo Co."
+	 *
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Clevo",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "COMPAL"
+	 *
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"),
+	 * _OSI(Linux) unknown effect:
+	 * DMI_MATCH(DMI_BOARD_NAME, "IFL91"),
+	 */
+	{
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Compal",
+	.matches = {
+		     DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
+		},
+	},
+	{ /* OSI(Linux) touches USB, breaks suspend to disk */
+	.callback = dmi_disable_osi_linux,
+	.ident = "Dell Dimension 5150",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"),
+		},
+	},
+	{ /* OSI(Linux) is a NOP */
+	.callback = dmi_disable_osi_linux,
+	.ident = "Dell",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"),
+		},
+	},
+	{ /* OSI(Linux) effect unknown */
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Dell",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"),
+		},
+	},
+	{ /* OSI(Linux) effect unknown */
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Dell",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
+		},
+	},
+	{ /* OSI(Linux) effect unknown */
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Dell",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
+		},
+	},
+	{ /* OSI(Linux) touches USB */
+	.callback = dmi_disable_osi_linux,
+	.ident = "Dell",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
+		},
+	},
+	{ /* OSI(Linux) is a NOP */
+	.callback = dmi_disable_osi_linux,
+	.ident = "Dell Vostro 1000",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Vostro   1000"),
+		},
+	},
+	{ /* OSI(Linux) effect unknown */
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Dell",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"),
+		},
+	},
+	{ /* OSI(Linux) effect unknown */
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Dialogue Flybook V5",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS"
+	 *
+	 * _OSI(Linux) disables latest Windows BIOS code:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"),
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
+	 * _OSI(Linux) unknown effect:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Fujitsu Siemens",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "Hewlett-Packard"
+	 *
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * .ident = "HP Pavilion tx 1000"
+	 * DMI_MATCH(DMI_BOARD_NAME, "30BF"),
+	 * .ident = "HP Pavilion dv2000"
+	 * DMI_MATCH(DMI_BOARD_NAME, "30B5"),
+	 * .ident = "HP Pavilion dv5000",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30A7"),
+	 * .ident = "HP Pavilion dv6300 30BC",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30BC"),
+	 * .ident = "HP Pavilion dv6000",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30B7"),
+	 * DMI_MATCH(DMI_BOARD_NAME, "30B8"),
+	 * .ident = "HP Pavilion dv9000",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30B9"),
+	 * .ident = "HP Pavilion dv9500",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30CB"),
+	 * .ident = "HP/Compaq Presario C500",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30C6"),
+	 * .ident = "HP/Compaq Presario F500",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30D3"),
+	 * _OSI(Linux) unknown effect:
+	 * .ident = "HP Pavilion dv6500",
+	 * DMI_MATCH(DMI_BOARD_NAME, "30D0"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Hewlett-Packard",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+		},
+	},
+	/*
+	 * Lenovo has a mix of systems OSI(Linux) situations
+	 * and thus we can not wildcard the vendor.
+	 *
 	 * _OSI(Linux) helps sound
 	 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
 	 * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
+	 * _OSI(Linux) is a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
 	 */
 	{
 	.callback = dmi_enable_osi_linux,
@@ -201,6 +453,97 @@
 		     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
 		},
 	},
+	{
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Lenovo 3000 V100",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+		     DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
+		},
+	},
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Lenovo 3000 N100",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+		     DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "LG Electronics"
+	 *
+	 * _OSI(Linux) confirmed to be a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "LG",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+		},
+	},
+	/* NEC - OSI(Linux) effect unknown */
+	{
+	.callback = dmi_unknown_osi_linux,
+	.ident = "NEC VERSA M360",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "Samsung Electronics"
+	 *
+	 * OSI(Linux) disables PNP0C32 and other BIOS code for Windows:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Samsung",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "Sony Corporation"
+	 *
+	 * _OSI(Linux) is a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
+	 * _OSI(Linux) unknown effect:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
+	 */
+	{
+	.callback = dmi_unknown_osi_linux,
+	.ident = "Sony",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+		},
+	},
+	/*
+	 * Disable OSI(Linux) warnings on all "TOSHIBA"
+	 *
+	 * _OSI(Linux) breaks sound (bugzilla 7787):
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"),
+	 * _OSI(Linux) is a NOP:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"),
+	 * _OSI(Linux) unknown effect:
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"),
+	 * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"),
+	 */
+	{
+	.callback = dmi_disable_osi_linux,
+	.ident = "Toshiba",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+		},
+	},
 	{}
 };