diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index e1ff0d920a5ce48b2a05d8f71584668e2817cf49..bde799e065989a6ec47c7b7b9893acfaaf77426c 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -369,4 +369,5 @@ can be ORed together:
   2 - A module was force loaded by insmod -f.
       Set by modutils >= 2.4.9 and module-init-tools.
   4 - Unsafe SMP processors: SMP with CPUs not designed for SMP.
+ 64 - A module from drivers/staging was loaded.
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2651f805ba6d771b9ec1f26078609aebdb198853..b36805cb95fb87ef72377fcace0559662bdd9607 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -260,6 +260,7 @@ extern enum system_states {
 #define TAINT_DIE			(1<<7)
 #define TAINT_OVERRIDDEN_ACPI_TABLE	(1<<8)
 #define TAINT_WARN			(1<<9)
+#define TAINT_CRAP			(1<<10)
 
 extern void dump_stack(void) __cold;
 
diff --git a/kernel/module.c b/kernel/module.c
index 9db11911e04b7b55df05fd9f928f5629fe46430d..152b1655bbaccaf977911ba985847e41ef28b236 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1806,6 +1806,7 @@ static noinline struct module *load_module(void __user *umod,
 	Elf_Ehdr *hdr;
 	Elf_Shdr *sechdrs;
 	char *secstrings, *args, *modmagic, *strtab = NULL;
+	char *staging;
 	unsigned int i;
 	unsigned int symindex = 0;
 	unsigned int strindex = 0;
@@ -1960,6 +1961,14 @@ static noinline struct module *load_module(void __user *umod,
 		goto free_hdr;
 	}
 
+	staging = get_modinfo(sechdrs, infoindex, "staging");
+	if (staging) {
+		add_taint_module(mod, TAINT_CRAP);
+		printk(KERN_WARNING "%s: module is from the staging directory,"
+		       " the quality is unknown, you have been warned.\n",
+		       mod->name);
+	}
+
 	/* Now copy in args */
 	args = strndup_user(uargs, ~0UL >> 1);
 	if (IS_ERR(args)) {
@@ -2556,6 +2565,8 @@ static char *module_flags(struct module *mod, char *buf)
 			buf[bx++] = 'P';
 		if (mod->taints & TAINT_FORCED_MODULE)
 			buf[bx++] = 'F';
+		if (mod->taints & TAINT_CRAP)
+			buf[bx++] = 'C';
 		/*
 		 * TAINT_FORCED_RMMOD: could be added.
 		 * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
diff --git a/kernel/panic.c b/kernel/panic.c
index 12c5a0a6c89bee42e44c65ee41eb4695ae180983..98e2047f4db7851d57c6715681e34ec56d2a0d8e 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -155,6 +155,7 @@ EXPORT_SYMBOL(panic);
  *  'U' - Userspace-defined naughtiness.
  *  'A' - ACPI table overridden.
  *  'W' - Taint on warning.
+ *  'C' - modules from drivers/staging are loaded.
  *
  *	The string is overwritten by the next call to print_taint().
  */
@@ -163,7 +164,7 @@ const char *print_tainted(void)
 {
 	static char buf[20];
 	if (tainted) {
-		snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c",
+		snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c%c",
 			tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G',
 			tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
 			tainted & TAINT_UNSAFE_SMP ? 'S' : ' ',
@@ -173,7 +174,8 @@ const char *print_tainted(void)
 			tainted & TAINT_USER ? 'U' : ' ',
 			tainted & TAINT_DIE ? 'D' : ' ',
 			tainted & TAINT_OVERRIDDEN_ACPI_TABLE ? 'A' : ' ',
-			tainted & TAINT_WARN ? 'W' : ' ');
+			tainted & TAINT_WARN ? 'W' : ' ',
+			tainted & TAINT_CRAP ? 'C' : ' ');
 	}
 	else
 		snprintf(buf, sizeof(buf), "Not tainted");