nommu: struct vm_region's vm_usage count need not be atomic

[safe/jmp/linux-2.6] / include / linux / nmi.h

diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index c8f4d2f..b752e80 100644 (file)
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -4,6 +4,7 @@
 #ifndef LINUX_NMI_H
 #define LINUX_NMI_H
 
+#include <linux/sched.h>
 #include <asm/irq.h>
 
 /**
@@ -14,9 +15,36 @@
  * disables interrupts for a long time. This call is stateless.
  */
 #ifdef ARCH_HAS_NMI_WATCHDOG
+#include <asm/nmi.h>
 extern void touch_nmi_watchdog(void);
+extern void acpi_nmi_disable(void);
+extern void acpi_nmi_enable(void);
 #else
-# define touch_nmi_watchdog() do { } while(0)
+static inline void touch_nmi_watchdog(void)
+{
+       touch_softlockup_watchdog();
+}
+static inline void acpi_nmi_disable(void) { }
+static inline void acpi_nmi_enable(void) { }
+#endif
+
+/*
+ * Create trigger_all_cpu_backtrace() out of the arch-provided
+ * base function. Return whether such support was available,
+ * to allow calling code to fall back to some other mechanism:
+ */
+#ifdef arch_trigger_all_cpu_backtrace
+static inline bool trigger_all_cpu_backtrace(void)
+{
+       arch_trigger_all_cpu_backtrace();
+
+       return true;
+}
+#else
+static inline bool trigger_all_cpu_backtrace(void)
+{
+       return false;
+}
 #endif
 
 #endif