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From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
	Zwane Mwaikambo <zwane@arm.linux.org.uk>,
	"Theodore Ts'o" <tytso@mit.edu>,
	Randy Dunlap <rdunlap@xenotime.net>,
	Dave Jones <davej@redhat.com>,
	Chuck Wolber <chuckw@quantumlinux.com>,
	Chris Wedgwood <reviews@ml.cw.f00f.org>,
	Michael Krufky <mkrufky@linuxtv.org>,
	Chuck Ebbert <cebbert@redhat.com>,
	Domenico Andreoli <cavokz@gmail.com>,
	torvalds@linux-foundation.org, akpm@linux-foundation.org,
	alan@lxorguk.ukuu.org.uk, linux-acpi@vger.kernel.org,
	Len Brown <len.brown@intel.com>
Subject: [patch 72/73] ACPI: sync blacklist w/ latest
Date: Wed, 6 Feb 2008 15:54:39 -0800	[thread overview]
Message-ID: <20080206235439.GU13121@suse.de> (raw)
In-Reply-To: <20080206235015.GA13121@suse.de>

[-- Attachment #1: acpi-sync-blacklist-w-latest.patch --]
[-- Type: text/plain, Size: 21333 bytes --]


2.6.23-stable review patch.  If anyone has any objections, please let us know.
------------------
From: Len Brown <len.brown@intel.com>

This patch is appropriate for supporting a 2.6.23-based products.

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/acpi/blacklist.c  |  388 +++++++++++++++++++++++++++++++++++++++++++++-
 drivers/acpi/osl.c        |  173 +++++++++++++++-----
 drivers/firmware/dmi-id.c |    2 
 include/linux/acpi.h      |    7 
 include/linux/dmi.h       |    2 
 5 files changed, 523 insertions(+), 49 deletions(-)

--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -3,6 +3,7 @@
  *
  *  Check to see if the given machine has a known bad ACPI BIOS
  *  or if the BIOS is too old.
+ *  Check given machine against acpi_osi_dmi_table[].
  *
  *  Copyright (C) 2004 Len Brown <len.brown@intel.com>
  *  Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
@@ -50,6 +51,8 @@ struct acpi_blacklist_item {
 	u32 is_critical_error;
 };
 
+static struct dmi_system_id acpi_osi_dmi_table[] __initdata;
+
 /*
  * POLICY: If *anything* doesn't work, put it on the blacklist.
  *	   If they are critical errors, mark it critical, and abort driver load.
@@ -67,8 +70,6 @@ static struct acpi_blacklist_item acpi_b
 	/* IBM 600E - _ADR should return 7, but it returns 1 */
 	{"IBM   ", "TP600E  ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
 	 "Incorrect _ADR", 1},
-	{"ASUS\0\0", "P2B-S   ", 0, ACPI_SIG_DSDT, all_versions,
-	 "Bogus PCI routing", 1},
 
 	{""}
 };
@@ -165,5 +166,388 @@ int __init acpi_blacklisted(void)
 
 	blacklisted += blacklist_by_year();
 
+	dmi_check_system(acpi_osi_dmi_table);
+
 	return blacklisted;
 }
+#ifdef CONFIG_DMI
+static int __init dmi_enable_osi_linux(struct dmi_system_id *d)
+{
+	acpi_dmi_osi_linux(1, d);	/* enable */
+	return 0;
+}
+static int __init dmi_disable_osi_linux(struct dmi_system_id *d)
+{
+	acpi_dmi_osi_linux(0, d);	/* disable */
+	return 0;
+}
+static int __init dmi_unknown_osi_linux(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 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 5315"),
+	 * 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, 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",
+	.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,
+	.ident = "Lenovo ThinkPad R61",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+		     DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
+		},
+	},
+	{
+	.callback = dmi_enable_osi_linux,
+	.ident = "Lenovo ThinkPad T61",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+		     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"),
+	 * 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"),
+		},
+	},
+	/*
+	 * 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"),
+		},
+	},
+	{}
+};
+
+#endif /* CONFIG_DMI */
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -77,11 +77,55 @@ static struct workqueue_struct *kacpi_no
 #define	OSI_STRING_LENGTH_MAX 64	/* arbitrary */
 static char osi_additional_string[OSI_STRING_LENGTH_MAX];
 
-static int osi_linux;		/* disable _OSI(Linux) by default */
+/*
+ * "Ode to _OSI(Linux)"
+ *
+ * osi_linux -- Control response to BIOS _OSI(Linux) query.
+ *
+ * As Linux evolves, the features that it supports change.
+ * So an OSI string such as "Linux" is not specific enough
+ * to be useful across multiple versions of Linux.  It
+ * doesn't identify any particular feature, interface,
+ * or even any particular version of Linux...
+ *
+ * Unfortunately, Linux-2.6.22 and earlier responded "yes"
+ * to a BIOS _OSI(Linux) query.  When
+ * a reference mobile BIOS started using it, its use
+ * started to spread to many vendor platforms.
+ * As it is not supportable, we need to halt that spread.
+ *
+ * Today, most BIOS references to _OSI(Linux) are noise --
+ * they have no functional effect and are just dead code
+ * carried over from the reference BIOS.
+ *
+ * The next most common case is that _OSI(Linux) harms Linux,
+ * usually by causing the BIOS to follow paths that are
+ * not tested during Windows validation.
+ *
+ * Finally, there is a short list of platforms
+ * where OSI(Linux) benefits Linux.
+ *
+ * In Linux-2.6.23, OSI(Linux) is first disabled by default.
+ * DMI is used to disable the dmesg warning about OSI(Linux)
+ * on platforms where it is known to have no effect.
+ * But a dmesg warning remains for systems where
+ * we do not know if OSI(Linux) is good or bad for the system.
+ * DMI is also used to enable OSI(Linux) for the machines
+ * that are known to need it.
+ *
+ * BIOS writers should NOT query _OSI(Linux) on future systems.
+ * It will be ignored by default, and to get Linux to
+ * not ignore it will require a kernel source update to
+ * add a DMI entry, or a boot-time "acpi_osi=Linux" invocation.
+ */
+#define OSI_LINUX_ENABLE 0
 
-#ifdef CONFIG_DMI
-static struct __initdata dmi_system_id acpi_osl_dmi_table[];
-#endif
+static struct osi_linux {
+	unsigned int	enable:1;
+	unsigned int	dmi:1;
+	unsigned int	cmdline:1;
+	unsigned int	known:1;
+} osi_linux = { OSI_LINUX_ENABLE, 0, 0, 0};
 
 static void __init acpi_request_region (struct acpi_generic_address *addr,
 	unsigned int length, char *desc)
@@ -133,7 +177,6 @@ device_initcall(acpi_reserve_resources);
 
 acpi_status __init acpi_os_initialize(void)
 {
-	dmi_check_system(acpi_osl_dmi_table);
 	return AE_OK;
 }
 
@@ -971,13 +1014,37 @@ static int __init acpi_os_name_setup(cha
 
 __setup("acpi_os_name=", acpi_os_name_setup);
 
-static void enable_osi_linux(int enable) {
+static void __init set_osi_linux(unsigned int enable)
+{
+	if (osi_linux.enable != enable) {
+		osi_linux.enable = enable;
+		printk(KERN_NOTICE PREFIX "%sed _OSI(Linux)\n",
+			enable ? "Add": "Delet");
+	}
+	return;
+}
 
-	if (osi_linux != enable)
-		printk(KERN_INFO PREFIX "%sabled _OSI(Linux)\n",
-			enable ? "En": "Dis");
+static void __init acpi_cmdline_osi_linux(unsigned int enable)
+{
+	osi_linux.cmdline = 1;	/* cmdline set the default */
+	set_osi_linux(enable);
+
+	return;
+}
+
+void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d)
+{
+	osi_linux.dmi = 1;	/* DMI knows that this box asks OSI(Linux) */
+
+	printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
+
+	if (enable == -1)
+		return;
+
+	osi_linux.known = 1;	/* DMI knows which OSI(Linux) default needed */
+
+	set_osi_linux(enable);
 
-	osi_linux = enable;
 	return;
 }
 
@@ -994,12 +1061,12 @@ static int __init acpi_osi_setup(char *s
 		printk(KERN_INFO PREFIX "_OSI method disabled\n");
 		acpi_gbl_create_osi_method = FALSE;
 	} else if (!strcmp("!Linux", str)) {
-		enable_osi_linux(0);
+		acpi_cmdline_osi_linux(0);	/* !enable */
 	} else if (*str == '!') {
 		if (acpi_osi_invalidate(++str) == AE_OK)
 			printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str);
 	} else if (!strcmp("Linux", str)) {
-		enable_osi_linux(1);
+		acpi_cmdline_osi_linux(1);	/* enable */
 	} else if (*osi_additional_string == '\0') {
 		strncpy(osi_additional_string, str, OSI_STRING_LENGTH_MAX);
 		printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str);
@@ -1156,6 +1223,34 @@ acpi_status acpi_os_release_object(acpi_
 	return (AE_OK);
 }
 
+/**
+ *	acpi_dmi_dump - dump DMI slots needed for blacklist entry
+ *
+ *	Returns 0 on success
+ */
+static int acpi_dmi_dump(void)
+{
+
+	if (!dmi_available)
+		return -1;
+
+	printk(KERN_NOTICE PREFIX "DMI System Vendor: %s\n",
+		dmi_get_system_info(DMI_SYS_VENDOR));
+	printk(KERN_NOTICE PREFIX "DMI Product Name: %s\n",
+		dmi_get_system_info(DMI_PRODUCT_NAME));
+	printk(KERN_NOTICE PREFIX "DMI Product Version: %s\n",
+		dmi_get_system_info(DMI_PRODUCT_VERSION));
+	printk(KERN_NOTICE PREFIX "DMI Board Name: %s\n",
+		dmi_get_system_info(DMI_BOARD_NAME));
+	printk(KERN_NOTICE PREFIX "DMI BIOS Vendor: %s\n",
+		dmi_get_system_info(DMI_BIOS_VENDOR));
+	printk(KERN_NOTICE PREFIX "DMI BIOS Date: %s\n",
+		dmi_get_system_info(DMI_BIOS_DATE));
+
+	return 0;
+}
+
+
 /******************************************************************************
  *
  * FUNCTION:    acpi_os_validate_interface
@@ -1175,13 +1270,29 @@ acpi_os_validate_interface (char *interf
 	if (!strncmp(osi_additional_string, interface, OSI_STRING_LENGTH_MAX))
 		return AE_OK;
 	if (!strcmp("Linux", interface)) {
-		printk(KERN_WARNING PREFIX
-			"System BIOS is requesting _OSI(Linux)\n");
-		printk(KERN_WARNING PREFIX
-			"If \"acpi_osi=Linux\" works better,\n"
-			"Please send dmidecode "
-			"to linux-acpi@vger.kernel.org\n");
-		if(osi_linux)
+
+		printk(KERN_NOTICE PREFIX
+			"BIOS _OSI(Linux) query %s%s\n",
+			osi_linux.enable ? "honored" : "ignored",
+			osi_linux.cmdline ? " via cmdline" :
+			osi_linux.dmi ? " via DMI" : "");
+
+		if (!osi_linux.dmi) {
+			if (acpi_dmi_dump())
+				printk(KERN_NOTICE PREFIX
+					"[please extract dmidecode output]\n");
+			printk(KERN_NOTICE PREFIX
+				"Please send DMI info above to "
+				"linux-acpi@vger.kernel.org\n");
+		}
+		if (!osi_linux.known && !osi_linux.cmdline) {
+			printk(KERN_NOTICE PREFIX
+				"If \"acpi_osi=%sLinux\" works better, "
+				"please notify linux-acpi@vger.kernel.org\n",
+				osi_linux.enable ? "!" : "");
+		}
+
+		if (osi_linux.enable)
 			return AE_OK;
 	}
 	return AE_SUPPORT;
@@ -1213,28 +1324,4 @@ acpi_os_validate_address (
     return AE_OK;
 }
 
-#ifdef CONFIG_DMI
-static int dmi_osi_linux(struct dmi_system_id *d)
-{
-	printk(KERN_NOTICE "%s detected: enabling _OSI(Linux)\n", d->ident);
-	enable_osi_linux(1);
-	return 0;
-}
-
-static struct dmi_system_id acpi_osl_dmi_table[] __initdata = {
-	/*
-	 * Boxes that need _OSI(Linux)
-	 */
-	{
-	 .callback = dmi_osi_linux,
-	 .ident = "Intel Napa CRB",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
-		     DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"),
-		     },
-	 },
-	{}
-};
-#endif /* CONFIG_DMI */
-
 #endif
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -159,8 +159,6 @@ static struct device *dmi_dev;
 	if (dmi_get_system_info(_field)) \
 		sys_dmi_attributes[i++] = & sys_dmi_##_name##_attr.attr;
 
-extern int dmi_available;
-
 static int __init dmi_id_init(void)
 {
 	int ret, i;
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -40,6 +40,7 @@
 #include <acpi/acpi_drivers.h>
 #include <acpi/acpi_numa.h>
 #include <asm/acpi.h>
+#include <linux/dmi.h>
 
 
 #ifdef CONFIG_ACPI
@@ -187,7 +188,9 @@ extern int ec_transaction(u8 command,
 #endif /*CONFIG_ACPI_EC*/
 
 extern int acpi_blacklisted(void);
-extern void acpi_bios_year(char *s);
+#ifdef CONFIG_DMI
+extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
+#endif
 
 #define	ACPI_CSTATE_LIMIT_DEFINED	/* for driver builds */
 #ifdef	CONFIG_ACPI
@@ -247,5 +250,5 @@ static inline int acpi_boot_table_init(v
 	return 0;
 }
 
-#endif	/* CONFIG_ACPI */
+#endif	/* !CONFIG_ACPI */
 #endif	/*_LINUX_ACPI_H*/
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -78,6 +78,7 @@ extern struct dmi_device * dmi_find_devi
 extern void dmi_scan_machine(void);
 extern int dmi_get_year(int field);
 extern int dmi_name_in_vendors(char *str);
+extern int dmi_available;
 
 #else
 
@@ -87,6 +88,7 @@ static inline struct dmi_device * dmi_fi
 	struct dmi_device *from) { return NULL; }
 static inline int dmi_get_year(int year) { return 0; }
 static inline int dmi_name_in_vendors(char *s) { return 0; }
+#define dmi_available 0
 
 #endif
 

-- 

  parent reply	other threads:[~2008-02-07  0:32 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20080206234302.769849277@mini.kroah.org>
2008-02-06 23:50 ` [patch 00/73] 2.6.23-stable review Greg KH
2008-02-06 23:50   ` [patch 01/73] SPARC64: Fix sparc64 cpu cross call hangs Greg KH
2008-02-06 23:50   ` [patch 02/73] dm: table detect io beyond device Greg KH
2008-02-06 23:50   ` [patch 03/73] dm crypt: fix write endio Greg KH
2008-02-06 23:50   ` [patch 04/73] dm crypt: use bio_add_page Greg KH
2008-02-06 23:51   ` [patch 05/73] ACPI: video_device_list corruption Greg KH
2008-02-06 23:51   ` [patch 06/73] ACPI: thinkpad-acpi: fix lenovo keymap for brightness Greg KH
2008-02-06 23:51   ` [patch 07/73] SPARC64: Fix memory controller register access when non-SMP Greg KH
2008-02-06 23:51   ` [patch 08/73] SPARC64: Fix two kernel linear mapping setup bugs Greg KH
2008-02-06 23:51   ` [patch 09/73] IPSEC: Fix potential dst leak in xfrm_lookup Greg KH
2008-02-06 23:51   ` [patch 10/73] VLAN: Lost rtnl_unlock() in vlan_ioctl() Greg KH
2008-02-06 23:51   ` [patch 11/73] tty: fix logic change introduced by wait_event_interruptible_timeout() Greg KH
2008-02-06 23:51   ` [patch 12/73] IPV4 raw: Strengthen check on validity of iph->ihl Greg KH
2008-02-06 23:51   ` [patch 13/73] sky2: disable rx checksum on Yukon XL Greg KH
2008-02-06 23:51   ` [patch 14/73] sky2: RX lockup fix Greg KH
2008-02-06 23:51   ` [patch 15/73] POWERPC: Change fallocate to match unistd.h on powerpc Greg KH
2008-02-06 23:51   ` [patch 16/73] X25: Add missing x25_neigh_put Greg KH
2008-02-06 23:51   ` [patch 17/73] NET: mcs7830 passes msecs instead of jiffies to usb_control_msg Greg KH
2008-02-06 23:51   ` [patch 18/73] NET: kaweth was forgotten in msec switchover of usb_start_wait_urb Greg KH
2008-02-06 23:51   ` [patch 19/73] IRDA: irda_create() nuke user triggable printk Greg KH
2008-02-06 23:51   ` [patch 20/73] INET: Fix netdev renaming and inet address labels Greg KH
2008-02-06 23:52   ` [patch 21/73] CONNECTOR: Dont touch queue dev after decrement of ref count Greg KH
2008-02-06 23:52   ` [patch 22/73] ATM: Check IP header validity in mpc_send_packet Greg KH
2008-02-06 23:52   ` [patch 23/73] IPV4 ROUTE: ip_rt_dump() is unecessary slow Greg KH
2008-02-06 23:52   ` [patch 24/73] ATM: delay irq setup until card is configured Greg KH
2008-02-06 23:52   ` [patch 25/73] IPSEC: Avoid undefined shift operation when testing algorithm ID Greg KH
2008-02-06 23:52   ` [patch 26/73] NET: Correct two mistaken skb_reset_mac_header() conversions Greg KH
2008-02-06 23:52   ` [patch 27/73] IPV4: ip_gre: set mac_header correctly in receive path Greg KH
2008-02-06 23:52   ` [patch 28/73] CASSINI: Fix endianness bug Greg KH
2008-02-06 23:52   ` [patch 29/73] CASSINI: Revert dont touch page_count Greg KH
2008-02-06 23:52   ` [patch 30/73] CASSINI: Set skb->truesize properly on receive packets Greg KH
2008-02-06 23:52   ` [patch 31/73] SPARC64: Fix OOPS in dma_sync_*_for_device() Greg KH
2008-02-06 23:52   ` [patch 32/73] SPARC64: Implement pci_resource_to_user() Greg KH
2008-02-06 23:52   ` [patch 33/73] ACPICA: fix acpi-cpufreq boot crash due to _PSD return-by-reference Greg KH
2008-02-06 23:52   ` [patch 34/73] ACPI: Not register gsi for PCI IDE controller in legacy mode Greg KH
2008-02-06 23:52   ` [patch 35/73] ACPICA: fix acpi_serialize hang regression Greg KH
2008-02-06 23:53   ` [patch 36/73] ACPI: apply quirk_ich6_lpc_acpi to more ICH8 and ICH9 Greg KH
2008-02-06 23:53   ` [patch 37/73] PM: ACPI and APM must not be enabled at the same time Greg KH
2008-02-06 23:53   ` [patch 38/73] CRYPTO: padlock: Fix spurious ECB page fault Greg KH
2008-02-06 23:53   ` [patch 39/73] USB: update sierra.c with latest device ids that are in 2.6.24-rc7 Greg KH
2008-02-06 23:53   ` [patch 40/73] clockevents: fix reprogramming decision in oneshot broadcast Greg KH
2008-02-06 23:53   ` [patch 41/73] Freezer: Fix APM emulation breakage Greg KH
2008-02-06 23:53   ` [patch 42/73] vfs: coredumping fix (CVE-2007-6206) Greg KH
2008-02-06 23:53   ` [patch 43/73] quicklists: do not release off node pages early Greg KH
2008-02-06 23:53   ` [patch 44/73] quicklists: Only consider memory that can be used with GFP_KERNEL Greg KH
2008-02-06 23:53   ` [patch 45/73] chelsio: Fix skb->dev setting Greg KH
2008-02-06 23:53   ` [patch 46/73] cxgb: fix T2 GSO Greg KH
2008-02-06 23:53   ` [patch 47/73] cxgb: fix stats Greg KH
2008-02-06 23:53   ` [patch 48/73] Input: implement proper locking in input core Greg KH
2008-02-06 23:53   ` [patch 49/73] Input: evdev - implement proper locking Greg KH
2008-02-06 23:53   ` [patch 50/73] Input: mousedev " Greg KH
2008-02-06 23:53   ` [patch 51/73] Input: joydev " Greg KH
2008-02-06 23:53   ` [patch 52/73] Input: tsdev " Greg KH
2008-02-06 23:53   ` [patch 53/73] Input: fix open count handling in input interfaces Greg KH
2008-02-06 23:53   ` [patch 54/73] CIFS: Respect umask when using POSIX mkdir Greg KH
2008-02-06 23:53   ` [patch 55/73] m68k: Export cachectl.h Greg KH
2008-02-06 23:53   ` [patch 56/73] VM/Security: add security hook to do_brk (CVE-2007-6434) Greg KH
2008-02-06 23:54   ` [patch 57/73] security: protect from stack expantion into low vm addresses Greg KH
2008-02-06 23:54   ` [patch 58/73] md: fix data corruption when a degraded raid5 array is reshaped Greg KH
2008-02-06 23:54   ` [patch 59/73] knfsd: Allow NFSv2/3 WRITE calls to succeed when krb5i etc is used Greg KH
2008-02-06 23:54   ` [patch 60/73] vm audit: add VM_DONTEXPAND to mmap for drivers that need it (CVE-2008-0007) Greg KH
2008-02-06 23:54   ` [patch 61/73] sata_promise: ASIC PRD table bug workaround Greg KH
2008-02-06 23:54   ` [patch 62/73] ia64: Fix unaligned handler for floating point instructions with base update Greg KH
2008-02-06 23:54   ` [patch 63/73] Fix unbalanced helper_lock in kernel/kmod.c Greg KH
2008-02-06 23:54   ` [patch 64/73] spi: omap2_mcspi PIO RX fix Greg KH
2008-02-06 23:54   ` [patch 65/73] libata: port and host should be stopped before hardware resources are released Greg KH
2008-02-06 23:54   ` [patch 66/73] fix oops on rmmod capidrv Greg KH
2008-02-06 23:54   ` [patch 67/73] Netfilter: bridge: fix double POST_ROUTING invocation Greg KH
2008-02-06 23:54   ` [patch 68/73] Netfilter: bridge-netfilter: fix net_device refcnt leaks Greg KH
2008-02-06 23:54   ` [patch 69/73] Fix dirty page accounting leak with ext3 data=journal Greg KH
2008-02-06 23:54   ` [patch 70/73] forcedeth: mac address mcp77/79 Greg KH
2008-02-06 23:54   ` [patch 71/73] atl1: fix frame length bug Greg KH
2008-02-06 23:54   ` Greg KH [this message]
2008-02-06 23:54   ` [patch 73/73] PCI: Fix fakephp deadlock Greg KH
2008-02-08  5:31   ` [stable] [patch 00/73] 2.6.23-stable review Greg KH

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