MODULE_VERSION and srcversion

kernel_module/module_version.c

@@ -0,0 +1,28 @@
+/*
+https://stackoverflow.com/questions/4839024/how-to-find-the-version-of-a-compiled-kernel-module/42556565#42556565
+
+    insmod /module_version.ko
+    cat /sys/modules/module_version/version
+    # => 1.0
+    cat /sys/module/module_version/srcversion
+    # => AB0F06618BC3A36B687CDC5
+    modinfo /module_version.ko | grep -E '^(src|)version'
+    # => version:        1.0
+    # => srcversion:     AB0F06618BC3A36B687CDC5
+*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+static int myinit(void)
+{
+	pr_info(__FILE__ "\n");
+	return 0;
+}
+
+static void myexit(void) {}
+
+module_init(myinit)
+module_exit(myexit)
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");