rcutorture: Add KVM-based test framework

This commit adds the test framework that I used to test RCU under KVM.
This consists of a group of scripts and Kconfig fragments.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index f216db84..a0a7c4a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7033,6 +7033,12 @@
 F:	Documentation/RCU/torture.txt
 F:	kernel/rcu/torture.c
 
+RCUTORTURE TEST FRAMEWORK
+M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
+S:	Supported
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
+F:	tools/testing/selftests/rcutorture
+
 RDC R-321X SoC
 M:	Florian Fainelli <florian@openwrt.org>
 S:	Maintained