4 files changed, 9 insertions, 15 deletions

diff --git a/Documentation/RCU/rcu.txt b/Documentation/RCU/rcu.txt
index bf778332a28f..745f429fda79 100644
--- a/Documentation/RCU/rcu.txt
+++ b/Documentation/RCU/rcu.txt
@@ -36,7 +36,7 @@ o	How can the updater tell when a grace period has completed
         executed in user mode, or executed in the idle loop, we can
         safely free up that item.
 
-        Preemptible variants of RCU (CONFIG_TREE_PREEMPT_RCU) get the
+        Preemptible variants of RCU (CONFIG_PREEMPT_RCU) get the
         same effect, but require that the readers manipulate CPU-local
         counters.  These counters allow limited types of blocking within
         RCU read-side critical sections.  SRCU also uses CPU-local
@@ -81,7 +81,7 @@ o	I hear that RCU is patented?  What is with that?
 o       I hear that RCU needs work in order to support realtime kernels?
 
         This work is largely completed.  Realtime-friendly RCU can be
-        enabled via the CONFIG_TREE_PREEMPT_RCU kernel configuration
+        enabled via the CONFIG_PREEMPT_RCU kernel configuration
         parameter.  However, work is in progress for enabling priority
         boosting of preempted RCU read-side critical sections.  This is
         needed if you have CPU-bound realtime threads.
diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt
index ef5a2fd4ff70..ed186a902d31 100644
--- a/Documentation/RCU/stallwarn.txt
+++ b/Documentation/RCU/stallwarn.txt
@@ -26,12 +26,6 @@ CONFIG_RCU_CPU_STALL_TIMEOUT
         Stall-warning messages may be enabled and disabled completely via
         /sys/module/rcupdate/parameters/rcu_cpu_stall_suppress.
 
-CONFIG_RCU_CPU_STALL_VERBOSE
-
-        This kernel configuration parameter causes the stall warning to
-        also dump the stacks of any tasks that are blocking the current
-        RCU-preempt grace period.
-
 CONFIG_RCU_CPU_STALL_INFO
 
         This kernel configuration parameter causes the stall warning to
@@ -77,7 +71,7 @@ This message indicates that CPU 5 detected that it was causing a stall,
 and that the stall was affecting RCU-sched.  This message will normally be
 followed by a stack dump of the offending CPU.  On TREE_RCU kernel builds,
 RCU and RCU-sched are implemented by the same underlying mechanism,
-while on TREE_PREEMPT_RCU kernel builds, RCU is instead implemented
+while on PREEMPT_RCU kernel builds, RCU is instead implemented
 by rcu_preempt_state.
 
 On the other hand, if the offending CPU fails to print out a stall-warning
@@ -89,7 +83,7 @@ INFO: rcu_bh_state detected stalls on CPUs/tasks: { 3 5 } (detected by 2, 2502 j
 This message indicates that CPU 2 detected that CPUs 3 and 5 were both
 causing stalls, and that the stall was affecting RCU-bh.  This message
 will normally be followed by stack dumps for each CPU.  Please note that
-TREE_PREEMPT_RCU builds can be stalled by tasks as well as by CPUs,
+PREEMPT_RCU builds can be stalled by tasks as well as by CPUs,
 and that the tasks will be indicated by PID, for example, "P3421".
 It is even possible for a rcu_preempt_state stall to be caused by both
 CPUs -and- tasks, in which case the offending CPUs and tasks will all
@@ -205,10 +199,10 @@ o	A CPU-bound real-time task in a CONFIG_PREEMPT kernel, which might
 o       A CPU-bound real-time task in a CONFIG_PREEMPT_RT kernel that
         is running at a higher priority than the RCU softirq threads.
         This will prevent RCU callbacks from ever being invoked,
-        and in a CONFIG_TREE_PREEMPT_RCU kernel will further prevent
+        and in a CONFIG_PREEMPT_RCU kernel will further prevent
         RCU grace periods from ever completing.  Either way, the
         system will eventually run out of memory and hang.  In the
-        CONFIG_TREE_PREEMPT_RCU case, you might see stall-warning
+        CONFIG_PREEMPT_RCU case, you might see stall-warning
         messages.
 
 o       A hardware or software issue shuts off the scheduler-clock
diff --git a/Documentation/RCU/trace.txt b/Documentation/RCU/trace.txt
index 910870b15acd..b63b9bb3bc0c 100644
--- a/Documentation/RCU/trace.txt
+++ b/Documentation/RCU/trace.txt
@@ -8,7 +8,7 @@ The following sections describe the debugfs files and formats, first
 for rcutree and next for rcutiny.
 
 
-CONFIG_TREE_RCU and CONFIG_TREE_PREEMPT_RCU debugfs Files and Formats
+CONFIG_TREE_RCU and CONFIG_PREEMPT_RCU debugfs Files and Formats
 
 These implementations of RCU provide several debugfs directories under the
 top-level directory "rcu":
@@ -18,7 +18,7 @@ rcu/rcu_preempt
 rcu/rcu_sched
 
 Each directory contains files for the corresponding flavor of RCU.
-Note that rcu/rcu_preempt is only present for CONFIG_TREE_PREEMPT_RCU.
+Note that rcu/rcu_preempt is only present for CONFIG_PREEMPT_RCU.
 For CONFIG_TREE_RCU, the RCU flavor maps onto the RCU-sched flavor,
 so that activity for both appears in rcu/rcu_sched.
 
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index e48c57f1943b..88dfce182f66 100644
--- a/Documentation/RCU/whatisRCU.txt
+++ b/Documentation/RCU/whatisRCU.txt
@@ -137,7 +137,7 @@ rcu_read_lock()
         Used by a reader to inform the reclaimer that the reader is
         entering an RCU read-side critical section.  It is illegal
         to block while in an RCU read-side critical section, though
-        kernels built with CONFIG_TREE_PREEMPT_RCU can preempt RCU
+        kernels built with CONFIG_PREEMPT_RCU can preempt RCU
         read-side critical sections.  Any RCU-protected data structure
         accessed during an RCU read-side critical section is guaranteed to
         remain unreclaimed for the full duration of that critical section.