diff --git a/Documentation/admin-guide/dynamic-debug-howto.rst b/Documentation/admin-guide/dynamic-debug-howto.rst
index ae264aab42b6cce4f77ecdd772000e7cdb850fad..a89cfa0831551ff40151ec6b8fc6d253e69942d2 100644
--- a/Documentation/admin-guide/dynamic-debug-howto.rst
+++ b/Documentation/admin-guide/dynamic-debug-howto.rst
@@ -356,7 +356,7 @@ Examples
   // boot-args example, with newlines and comments for readability
   Kernel command line: ...
     // see whats going on in dyndbg=value processing
-    dynamic_debug.verbose=1
+    dynamic_debug.verbose=3
     // enable pr_debugs in the btrfs module (can be builtin or loadable)
     btrfs.dyndbg="+p"
     // enable pr_debugs in all files under init/
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 87b1b0121234f5839988013a2a7fecde25839f13..dd7f56af9aed364b70b16ca51fe9377a229d3dcc 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -71,6 +71,8 @@ static DEFINE_MUTEX(ddebug_lock);
 static LIST_HEAD(ddebug_tables);
 static int verbose;
 module_param(verbose, int, 0644);
+MODULE_PARM_DESC(verbose, " dynamic_debug/control processing "
+		 "( 0 = off (default), 1 = module add/rm, 2 = >control summary, 3 = parsing, 4 = per-site changes)");
 
 /* Return the path relative to source root */
 static inline const char *trim_prefix(const char *path)
@@ -118,6 +120,8 @@ do {								\
 
 #define vpr_info(fmt, ...)	vnpr_info(1, fmt, ##__VA_ARGS__)
 #define v2pr_info(fmt, ...)	vnpr_info(2, fmt, ##__VA_ARGS__)
+#define v3pr_info(fmt, ...)	vnpr_info(3, fmt, ##__VA_ARGS__)
+#define v4pr_info(fmt, ...)	vnpr_info(4, fmt, ##__VA_ARGS__)
 
 static void vpr_info_dq(const struct ddebug_query *query, const char *msg)
 {
@@ -130,7 +134,7 @@ static void vpr_info_dq(const struct ddebug_query *query, const char *msg)
 			fmtlen--;
 	}
 
-	vpr_info("%s: func=\"%s\" file=\"%s\" module=\"%s\" format=\"%.*s\" lineno=%u-%u\n",
+	v3pr_info("%s: func=\"%s\" file=\"%s\" module=\"%s\" format=\"%.*s\" lineno=%u-%u\n",
 		 msg,
 		 query->function ?: "",
 		 query->filename ?: "",
@@ -213,7 +217,7 @@ static int ddebug_change(const struct ddebug_query *query,
 				static_branch_enable(&dp->key.dd_key_true);
 #endif
 			dp->flags = newflags;
-			v2pr_info("changed %s:%d [%s]%s =%s\n",
+			v4pr_info("changed %s:%d [%s]%s =%s\n",
 				 trim_prefix(dp->filename), dp->lineno,
 				 dt->mod_name, dp->function,
 				 ddebug_describe_flags(dp->flags, &fbuf));
@@ -273,7 +277,7 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
 		buf = end;
 	}
 
-	if (verbose) {
+	if (verbose >= 3) {
 		int i;
 		pr_info("split into words:");
 		for (i = 0; i < nwords; i++)
@@ -333,7 +337,7 @@ static int parse_linerange(struct ddebug_query *query, const char *first)
 	} else {
 		query->last_lineno = query->first_lineno;
 	}
-	vpr_info("parsed line %d-%d\n", query->first_lineno,
+	v3pr_info("parsed line %d-%d\n", query->first_lineno,
 		 query->last_lineno);
 	return 0;
 }
@@ -447,7 +451,7 @@ static int ddebug_parse_flags(const char *str, struct flag_settings *modifiers)
 		pr_err("bad flag-op %c, at start of %s\n", *str, str);
 		return -EINVAL;
 	}
-	vpr_info("op='%c'\n", op);
+	v3pr_info("op='%c'\n", op);
 
 	for (; *str ; ++str) {
 		for (i = ARRAY_SIZE(opt_array) - 1; i >= 0; i--) {
@@ -461,7 +465,7 @@ static int ddebug_parse_flags(const char *str, struct flag_settings *modifiers)
 			return -EINVAL;
 		}
 	}
-	vpr_info("flags=0x%x\n", modifiers->flags);
+	v3pr_info("flags=0x%x\n", modifiers->flags);
 
 	/* calculate final flags, mask based upon op */
 	switch (op) {
@@ -477,7 +481,7 @@ static int ddebug_parse_flags(const char *str, struct flag_settings *modifiers)
 		modifiers->flags = 0;
 		break;
 	}
-	vpr_info("*flagsp=0x%x *maskp=0x%x\n", modifiers->flags, modifiers->mask);
+	v3pr_info("*flagsp=0x%x *maskp=0x%x\n", modifiers->flags, modifiers->mask);
 
 	return 0;
 }
@@ -540,9 +544,8 @@ static int ddebug_exec_queries(char *query, const char *modname)
 		}
 		i++;
 	}
-
 	if (i)
-		vpr_info("processed %d queries, with %d matches, %d errs\n",
+		v2pr_info("processed %d queries, with %d matches, %d errs\n",
 			 i, nfound, errs);
 
 	if (exitcode)
@@ -780,7 +783,7 @@ static ssize_t ddebug_proc_write(struct file *file, const char __user *ubuf,
 	tmpbuf = memdup_user_nul(ubuf, len);
 	if (IS_ERR(tmpbuf))
 		return PTR_ERR(tmpbuf);
-	vpr_info("read %d bytes from userspace\n", (int)len);
+	v2pr_info("read %zu bytes from userspace\n", len);
 
 	ret = ddebug_exec_queries(tmpbuf, NULL);
 	kfree(tmpbuf);
@@ -968,7 +971,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
 	list_add(&dt->link, &ddebug_tables);
 	mutex_unlock(&ddebug_lock);
 
-	v2pr_info("%3u debug prints in module %s\n", n, dt->mod_name);
+	vpr_info("%3u debug prints in module %s\n", n, dt->mod_name);
 	return 0;
 }