Disable NMI watchdog by default properly

This reverts commit 6ebf622b2577c50b1f496bd6a5e8739e55ae7b1c and
replaces it with one that actually works.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 8 deletions

diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 821df34d2b3a..14702427b104 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -245,14 +245,6 @@ static int __init check_nmi_watchdog(void)
         unsigned int *prev_nmi_count;
         int cpu;
 
-        /* Enable NMI watchdog for newer systems.
-           Probably safe on most older systems too, but let's be careful.
-           IBM ThinkPads use INT10 inside SMM and that allows early NMI inside SMM
-           which hangs the system. Disable watchdog for all thinkpads */
-        if (nmi_watchdog == NMI_DEFAULT && dmi_get_year(DMI_BIOS_DATE) >= 2004 &&
-                !dmi_name_in_vendors("ThinkPad"))
-                nmi_watchdog = NMI_LOCAL_APIC;
-
         if ((nmi_watchdog == NMI_NONE) || (nmi_watchdog == NMI_DEFAULT))
                 return 0;