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-rw-r--r--arch/x86/include/asm/irq.h4
-rw-r--r--arch/x86/include/asm/nmi.h2
-rw-r--r--arch/x86/kernel/apic/hw_nmi.c10
-rw-r--r--arch/x86/kernel/cpu/perfctr-watchdog.c2
-rw-r--r--arch/x86/oprofile/op_model_p4.c2
-rw-r--r--drivers/watchdog/hpwdt.c4
-rw-r--r--include/linux/nmi.h6
-rw-r--r--lib/Kconfig.debug3
8 files changed, 8 insertions, 25 deletions
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 13b0ebaa512f..ba870bb6dd8e 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -15,10 +15,6 @@ static inline int irq_canonicalize(int irq)
return ((irq == 2) ? 9 : irq);
}
-#ifdef CONFIG_X86_LOCAL_APIC
-# define ARCH_HAS_NMI_WATCHDOG
-#endif
-
#ifdef CONFIG_X86_32
extern void irq_ctx_init(int cpu);
#else
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index 3545838cddeb..c4021b953510 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -5,7 +5,7 @@
#include <asm/irq.h>
#include <asm/io.h>
-#ifdef ARCH_HAS_NMI_WATCHDOG
+#ifdef CONFIG_X86_LOCAL_APIC
extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
diff --git a/arch/x86/kernel/apic/hw_nmi.c b/arch/x86/kernel/apic/hw_nmi.c
index 93da91df5b38..c57d0b599448 100644
--- a/arch/x86/kernel/apic/hw_nmi.c
+++ b/arch/x86/kernel/apic/hw_nmi.c
@@ -17,7 +17,6 @@
#include <linux/nmi.h>
#include <linux/module.h>
-#ifdef ARCH_HAS_NMI_WATCHDOG
#ifdef CONFIG_HARDLOCKUP_DETECTOR
u64 hw_nmi_get_sample_period(void)
{
@@ -25,15 +24,6 @@ u64 hw_nmi_get_sample_period(void)
}
#endif
-#ifndef CONFIG_HARDLOCKUP_DETECTOR
-void touch_nmi_watchdog(void)
-{
- touch_softlockup_watchdog();
-}
-EXPORT_SYMBOL(touch_nmi_watchdog);
-#endif
-#endif
-
#ifdef arch_trigger_all_cpu_backtrace
/* For reliability, we're prepared to waste bits here. */
static DECLARE_BITMAP(backtrace_mask, NR_CPUS) __read_mostly;
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 14d45928c282..d5a236615501 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -16,7 +16,7 @@
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/smp.h>
-#include <linux/nmi.h>
+#include <asm/nmi.h>
#include <linux/kprobes.h>
#include <asm/apic.h>
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index 182558dd5515..9fadec074142 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -11,7 +11,7 @@
#include <linux/oprofile.h>
#include <linux/smp.h>
#include <linux/ptrace.h>
-#include <linux/nmi.h>
+#include <asm/nmi.h>
#include <asm/msr.h>
#include <asm/fixmap.h>
#include <asm/apic.h>
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index c19f4a20794a..dea7b5bf6e2c 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -642,7 +642,7 @@ static struct notifier_block die_notifier = {
*/
#ifdef CONFIG_HPWDT_NMI_DECODING
-#ifdef ARCH_HAS_NMI_WATCHDOG
+#ifdef CONFIG_X86_LOCAL_APIC
static void __devinit hpwdt_check_nmi_decoding(struct pci_dev *dev)
{
/*
@@ -657,7 +657,7 @@ static void __devinit hpwdt_check_nmi_decoding(struct pci_dev *dev)
dev_warn(&dev->dev, "NMI decoding is disabled. "
"Your kernel does not support a NMI Watchdog.\n");
}
-#endif /* ARCH_HAS_NMI_WATCHDOG */
+#endif /* CONFIG_X86_LOCAL_APIC */
static int __devinit hpwdt_init_nmi_decoding(struct pci_dev *dev)
{
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 17ccf44e7dcb..c536f8545f74 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -14,18 +14,14 @@
* may be used to reset the timeout - for code which intentionally
* disables interrupts for a long time. This call is stateless.
*/
-#ifdef ARCH_HAS_NMI_WATCHDOG
+#if defined(ARCH_HAS_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR)
#include <asm/nmi.h>
extern void touch_nmi_watchdog(void);
#else
-#ifndef CONFIG_HARDLOCKUP_DETECTOR
static inline void touch_nmi_watchdog(void)
{
touch_softlockup_watchdog();
}
-#else
-extern void touch_nmi_watchdog(void);
-#endif
#endif
/*
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 28b42b9274d0..2d05adb98401 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -173,7 +173,8 @@ config LOCKUP_DETECTOR
An NMI is generated every 60 seconds or so to check for hardlockups.
config HARDLOCKUP_DETECTOR
- def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI
+ def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI && \
+ !ARCH_HAS_NMI_WATCHDOG
config BOOTPARAM_SOFTLOCKUP_PANIC
bool "Panic (Reboot) On Soft Lockups"