Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/arch/ia64/oprofile/init.c b/arch/ia64/oprofile/init.c
new file mode 100644
index 000000000..31b545c35
--- /dev/null
+++ b/arch/ia64/oprofile/init.c
@@ -0,0 +1,38 @@
+/**
+ * @file init.c
+ *
+ * @remark Copyright 2002 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author John Levon <levon@movementarian.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/oprofile.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+ 
+extern int perfmon_init(struct oprofile_operations *ops);
+extern void perfmon_exit(void);
+extern void ia64_backtrace(struct pt_regs * const regs, unsigned int depth);
+
+int __init oprofile_arch_init(struct oprofile_operations *ops)
+{
+	int ret = -ENODEV;
+
+#ifdef CONFIG_PERFMON
+	/* perfmon_init() can fail, but we have no way to report it */
+	ret = perfmon_init(ops);
+#endif
+	ops->backtrace = ia64_backtrace;
+
+	return ret;
+}
+
+
+void oprofile_arch_exit(void)
+{
+#ifdef CONFIG_PERFMON
+	perfmon_exit();
+#endif
+}