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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-10-25 10:06:04 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-10-25 10:06:04 +0200
commit0fc4f78f44e6c6148cee32456f0d0023ec1c1fd8 (patch)
tree71c906207227dd8753a0191db9304035ec3471a4 /include/linux/ftrace_irq.h
parent78010cd9736ec571796f4404524ed575b81238b9 (diff)
parent5481e27f6fd06b7cb902072e81d6b083db8155eb (diff)
Merge remote-tracking branch 'airlied/drm-next' into topic/drm-misc
Backmerge latest drm-next to have a baseline for the s/fence/dma_fence/ patch from Chris. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/linux/ftrace_irq.h')
-rw-r--r--include/linux/ftrace_irq.h31
1 files changed, 27 insertions, 4 deletions
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h
index dca7bf8cffe2..4ec2c9b205f2 100644
--- a/include/linux/ftrace_irq.h
+++ b/include/linux/ftrace_irq.h
@@ -3,11 +3,34 @@
#ifdef CONFIG_FTRACE_NMI_ENTER
-extern void ftrace_nmi_enter(void);
-extern void ftrace_nmi_exit(void);
+extern void arch_ftrace_nmi_enter(void);
+extern void arch_ftrace_nmi_exit(void);
#else
-static inline void ftrace_nmi_enter(void) { }
-static inline void ftrace_nmi_exit(void) { }
+static inline void arch_ftrace_nmi_enter(void) { }
+static inline void arch_ftrace_nmi_exit(void) { }
#endif
+#ifdef CONFIG_HWLAT_TRACER
+extern bool trace_hwlat_callback_enabled;
+extern void trace_hwlat_callback(bool enter);
+#endif
+
+static inline void ftrace_nmi_enter(void)
+{
+#ifdef CONFIG_HWLAT_TRACER
+ if (trace_hwlat_callback_enabled)
+ trace_hwlat_callback(true);
+#endif
+ arch_ftrace_nmi_enter();
+}
+
+static inline void ftrace_nmi_exit(void)
+{
+ arch_ftrace_nmi_exit();
+#ifdef CONFIG_HWLAT_TRACER
+ if (trace_hwlat_callback_enabled)
+ trace_hwlat_callback(false);
+#endif
+}
+
#endif /* _LINUX_FTRACE_IRQ_H */