diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index ea92bac4..09c69806 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -176,16 +176,6 @@
 	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;
-}
 static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 {
 	printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
@@ -193,295 +183,21 @@
 	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 3100"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
-	 * 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"),
-	 */
-	/*
-	 * note that dmi_check_system() uses strstr()
-	 * to match sub-strings rather than !strcmp(),
-	 * so "Acer" below matches "Acer, inc." above.
-	 */
-	/*
-	 * Disable OSI(Linux) warnings on all "Acer"
-	 *
-	 * _OSI(Linux) effect unknown:
-	 * 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"),
-	 *
-	 * _OSI(Linux) is a NOP:
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
-	 */
-	{
-	.callback = dmi_disable_osi_linux,
-	.ident = "Acer",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-		},
-	},
-	/*
-	 * Disable OSI(Linux) warnings on all "Apple Computer, Inc."
-	 * Disable OSI(Linux) warnings on all "Apple 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"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"),
-	 * _OSI(Linux) effect unknown:
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"),
-	 */
-	{
-	.callback = dmi_disable_osi_linux,
-	.ident = "Apple",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Apple"),
-		},
-	},
-	/*
-	 * 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_disable_osi_linux,
-	.ident = "Compal",
-	.matches = {
-		     DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-		},
-	},
-	{ /* OSI(Linux) touches USB, unknown side-effect */
-	.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 i1501",
-	.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 Latitude D830",
-	.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 OptiPlex GX620",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
-		},
-	},
-	{ /* OSI(Linux) causes some USB initialization to not run */
-	.callback = dmi_unknown_osi_linux,
-	.ident = "Dell OptiPlex 755",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 755"),
-		},
-	},
-	{ /* OSI(Linux) effect unknown */
-	.callback = dmi_unknown_osi_linux,
-	.ident = "Dell PE 1900",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"),
-		},
-	},
-	{ /* OSI(Linux) is a NOP */
-	.callback = dmi_unknown_osi_linux,
-	.ident = "Dell PE 1950",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
-		},
-	},
-	{ /* OSI(Linux) is a NOP */
-	.callback = dmi_disable_osi_linux,
-	.ident = "Dell PE R200",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R200"),
-		},
-	},
-	{ /* OSI(Linux) touches USB */
-	.callback = dmi_disable_osi_linux,
-	.ident = "Dell PR 390",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
-		},
-	},
-	{ /* OSI(Linux) touches USB */
-	.callback = dmi_unknown_osi_linux,
-	.ident = "Dell PR 390",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 690"),
-		},
-	},
-	{ /* OSI(Linux) unknown - ASL looks benign, but may effect dock/SMM */
-	.callback = dmi_unknown_osi_linux,
-	.ident = "Dell PR M4300",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "Precision M4300"),
-		},
-	},
-	{ /* 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 PE SC440",
-	.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"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
-	 * _OSI(Linux) unknown effect:
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
-	 */
-	{
-	.callback = dmi_disable_osi_linux,
-	.ident = "Fujitsu Siemens",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-		},
-	},
 	{
 	.callback = dmi_disable_osi_vista,
 	.ident = "Fujitsu Siemens",
 	.matches = {
 		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-	 	     DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
 		},
 	},
+
 	/*
-	 * 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"),
+	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
+	 * Linux ignores it, except for the machines enumerated below.
 	 */
-	{
-	.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.
@@ -519,113 +235,6 @@
 		     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
 		},
 	},
-	{
-	.callback = dmi_disable_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"),
-	 * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
-	 *
-	 * unknown:
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "S1-MDGDG"),
-	 * with DMI_MATCH(DMI_BOARD_NAME, "ROCKY"),
-	 */
-	{
-	.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"),
-		},
-	},
-	/* Panasonic */
-	{
-	.callback = dmi_unknown_osi_linux,
-	.ident = "Panasonic",
-	.matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
-			/* Toughbook CF-52 */
-		     DMI_MATCH(DMI_PRODUCT_NAME, "CF-52CCABVBG"),
-		},
-	},
-	/*
-	 * 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-NR11S_S"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
-	 * _OSI(Linux) unknown effect:
-	 * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
-	 */
-	{
-	.callback = dmi_disable_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"),
-		},
-	},
 	{}
 };