x86: nmi_watchdog - use NMI_NONE by default

There is no need to keep NMI_DISABLED definition and use it
for nmi_watchdog by default. Here is the point why:

- IO-APIC and APIC chips are programmed for nmi_watchdog support at very
  early stage of kernel booting and not having nmi_watchdog specified as
  boot option lead only to nmi_watchdog becomes to NMI_NONE anyway
- enable nmi_watchdog thru /proc/sys/kernel/nmi if it was not specified at
  boot is not possible too (even having this sysfs entry)

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: macro@linux-mips.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 08c48750888a..2b4c40bc12c9 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -1729,7 +1729,6 @@ static inline void __init check_timer(void)
                 }
                 unmask_IO_APIC_irq(0);
                 if (!no_timer_check && timer_irq_works()) {
-                        nmi_watchdog_default();
                         if (nmi_watchdog == NMI_IO_APIC) {
                                 setup_nmi();
                                 enable_8259A_irq(0);
@@ -1758,7 +1757,6 @@ static inline void __init check_timer(void)
                 if (timer_irq_works()) {
                         apic_printk(APIC_VERBOSE," works.\n");
                         timer_through_8259 = 1;
-                        nmi_watchdog_default();
                         if (nmi_watchdog == NMI_IO_APIC) {
                                 disable_8259A_irq(0);
                                 setup_nmi();