MAINTAINERS: Update from paulmck@linux.ibm.com to paulmck@kernel.org

Note that the paulmck@linux.ibm.com still works most of the time.
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>

MAINTAINERS

@@ -9334,7 +9334,7 @@ M:	Nicholas Piggin <npiggin@gmail.com>
 M:	David Howells <dhowells@redhat.com>
 M:	Jade Alglave <j.alglave@ucl.ac.uk>
 M:	Luc Maranget <luc.maranget@inria.fr>
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 R:	Akira Yokosawa <akiyks@gmail.com>
 R:	Daniel Lustig <dlustig@nvidia.com>
 L:	linux-kernel@vger.kernel.org
@@ -10363,7 +10363,7 @@ F:	drivers/platform/x86/mlx-platform.c
 
 MEMBARRIER SUPPORT
 M:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	kernel/sched/membarrier.c
@@ -13476,7 +13476,7 @@ S:	Orphan
 F:	drivers/net/wireless/ray*
 
 RCUTORTURE TEST FRAMEWORK
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 M:	Josh Triplett <josh@joshtriplett.org>
 R:	Steven Rostedt <rostedt@goodmis.org>
 R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
@@ -13523,7 +13523,7 @@ F:	arch/x86/include/asm/resctrl_sched.h
 F:	Documentation/x86/resctrl*
 
 READ-COPY UPDATE (RCU)
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 M:	Josh Triplett <josh@joshtriplett.org>
 R:	Steven Rostedt <rostedt@goodmis.org>
 R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
@@ -13681,7 +13681,7 @@ F:	include/linux/reset-controller.h
 RESTARTABLE SEQUENCES SUPPORT
 M:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 M:	Peter Zijlstra <peterz@infradead.org>
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 M:	Boqun Feng <boqun.feng@gmail.com>
 L:	linux-kernel@vger.kernel.org
 S:	Supported
@@ -14710,7 +14710,7 @@ F:	mm/sl?b*
 
 SLEEPABLE READ-COPY UPDATE (SRCU)
 M:	Lai Jiangshan <jiangshanlai@gmail.com>
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 M:	Josh Triplett <josh@joshtriplett.org>
 R:	Steven Rostedt <rostedt@goodmis.org>
 R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
@@ -16207,7 +16207,7 @@ F:	drivers/platform/x86/topstar-laptop.c
 
 TORTURE-TEST MODULES
 M:	Davidlohr Bueso <dave@stgolabs.net>
-M:	"Paul E. McKenney" <paulmck@linux.ibm.com>
+M:	"Paul E. McKenney" <paulmck@kernel.org>
 M:	Josh Triplett <josh@joshtriplett.org>
 L:	linux-kernel@vger.kernel.org
 S:	Supported