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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/nmi.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/nmi.h')
-rw-r--r--include/linux/nmi.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
new file mode 100644
index 00000000..db50840e
--- /dev/null
+++ b/include/linux/nmi.h
@@ -0,0 +1,56 @@
+/*
+ * linux/include/linux/nmi.h
+ */
+#ifndef LINUX_NMI_H
+#define LINUX_NMI_H
+
+#include <linux/sched.h>
+#include <asm/irq.h>
+
+/**
+ * touch_nmi_watchdog - restart NMI watchdog timeout.
+ *
+ * If the architecture supports the NMI watchdog, touch_nmi_watchdog()
+ * may be used to reset the timeout - for code which intentionally
+ * disables interrupts for a long time. This call is stateless.
+ */
+#if defined(CONFIG_HAVE_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR)
+#include <asm/nmi.h>
+extern void touch_nmi_watchdog(void);
+#else
+static inline void touch_nmi_watchdog(void)
+{
+ touch_softlockup_watchdog();
+}
+#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
+
+#ifdef CONFIG_LOCKUP_DETECTOR
+int hw_nmi_is_cpu_stuck(struct pt_regs *);
+u64 hw_nmi_get_sample_period(int watchdog_thresh);
+extern int watchdog_enabled;
+extern int watchdog_thresh;
+struct ctl_table;
+extern int proc_dowatchdog(struct ctl_table *, int ,
+ void __user *, size_t *, loff_t *);
+#endif
+
+#endif