Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

Pull RCU updates from Paul E. McKenney:

  - Miscellaneous fixes. (Paul E. McKenney, Boqun Feng, Oleg Nesterov, Patrick Marlier)

  - Improvements to expedited grace periods. (Paul E. McKenney)

  - Performance improvements to and locktorture tests for percpu-rwsem.
    (Oleg Nesterov, Paul E. McKenney)

  - Torture-test changes. (Paul E. McKenney, Davidlohr Bueso)

  - Documentation updates. (Paul E. McKenney)

Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/testing/selftests/rcutorture/bin/kvm.sh

@@ -75,7 +75,7 @@ usage () {
 while test $# -gt 0
 do
 	case "$1" in
-	--bootargs)
+	--bootargs|--bootarg)
 		checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
 		TORTURE_BOOTARGS="$2"
 		shift
@@ -88,7 +88,7 @@ do
 	--buildonly)
 		TORTURE_BUILDONLY=1
 		;;
-	--configs)
+	--configs|--config)
 		checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--'
 		configs="$2"
 		shift
@@ -134,7 +134,7 @@ do
 	--no-initrd)
 		TORTURE_INITRD=""; export TORTURE_INITRD
 		;;
-	--qemu-args)
+	--qemu-args|--qemu-arg)
 		checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error'
 		TORTURE_QEMU_ARG="$2"
 		shift

tools/testing/selftests/rcutorture/configs/lock/CFLIST

@@ -1,4 +1,6 @@
 LOCK01
 LOCK02
 LOCK03
-LOCK04
+LOCK04
+LOCK05
+LOCK06

tools/testing/selftests/rcutorture/configs/lock/LOCK05

@@ -0,0 +1,6 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y

tools/testing/selftests/rcutorture/configs/lock/LOCK05.boot

@@ -0,0 +1 @@
+locktorture.torture_type=rtmutex_lock

tools/testing/selftests/rcutorture/configs/lock/LOCK06

@@ -0,0 +1,6 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y

tools/testing/selftests/rcutorture/configs/lock/LOCK06.boot

@@ -0,0 +1 @@
+locktorture.torture_type=percpu_rwsem_lock