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authorAndi Kleen <ak@suse.de>2006-10-21 20:37:02 +0400
committerAndi Kleen <andi@basil.nowhere.org>2006-10-21 20:37:02 +0400
commita1bae67243512ca30ceda48e3e24e25b543f8ab7 (patch)
tree9f90a2a4ac04ecd7e23c0049570cd570b6ae37ee /drivers/firmware/dmi_scan.c
parent581910e2eb952e541b8ca9b5f551d6c124903b61 (diff)
downloadlinux-a1bae67243512ca30ceda48e3e24e25b543f8ab7.tar.xz
[PATCH] i386: Disable nmi watchdog on all ThinkPads
Even newer Thinkpads have bugs in SMM code that causes hangs with NMI watchdog. Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'drivers/firmware/dmi_scan.c')
-rw-r--r--drivers/firmware/dmi_scan.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index b8b596d5778d..37deee6c0c1c 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -326,6 +326,26 @@ char *dmi_get_system_info(int field)
}
EXPORT_SYMBOL(dmi_get_system_info);
+
+/**
+ * dmi_name_in_vendors - Check if string is anywhere in the DMI vendor information.
+ * @str: Case sensitive Name
+ */
+int dmi_name_in_vendors(char *str)
+{
+ static int fields[] = { DMI_BIOS_VENDOR, DMI_BIOS_VERSION, DMI_SYS_VENDOR,
+ DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, DMI_BOARD_VENDOR,
+ DMI_BOARD_NAME, DMI_BOARD_VERSION, DMI_NONE };
+ int i;
+ for (i = 0; fields[i] != DMI_NONE; i++) {
+ int f = fields[i];
+ if (dmi_ident[f] && strstr(dmi_ident[f], str))
+ return 1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(dmi_name_in_vendors);
+
/**
* dmi_find_device - find onboard device by type/name
* @type: device type or %DMI_DEV_TYPE_ANY to match all device types