[PATCH] tracing/branch-tracer: include missing irqflags.h

[Frederic Weisbecker]

Impact: fix build error on branch tracer

This should fix a build error reported on alpha in linux-next:

 CC      kernel/trace/trace_branch.o
kernel/trace/trace_branch.c: In function 'probe_likely_condition':
kernel/trace/trace_branch.c:44: error: implicit declaration of function 'raw_local_irq_save'
kernel/trace/trace_branch.c:76: error: implicit declaration of function 'raw_local_irq_restore'

Unfortunately, I can't test it since I don't have any Alpha build environment.

Reported-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
---
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index 877ee88..bc97275 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -6,6 +6,7 @@
 #include <linux/kallsyms.h>
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
+#include <linux/irqflags.h>
 #include <linux/debugfs.h>
 #include <linux/uaccess.h>
 #include <linux/module.h>
--
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