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

[deliverable/linux.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index d2355812ba48a7e1f52855ad9c431878ee32f175..1c505e09042283199905b9d5c25557dbdc2ea17d 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -507,6 +507,16 @@ config PREEMPT_RCU
          This option enables preemptible-RCU code that is common between
          TREE_PREEMPT_RCU and, in the old days, TINY_PREEMPT_RCU.
 
+config TASKS_RCU
+       bool "Task_based RCU implementation using voluntary context switch"
+       default n
+       help
+         This option enables a task-based RCU implementation that uses
+         only voluntary context switch (not preemption!), idle, and
+         user-mode execution as quiescent states.
+
+         If unsure, say N.
+
 config RCU_STALL_COMMON
        def_bool ( TREE_RCU || TREE_PREEMPT_RCU || RCU_TRACE )
        help
@@ -737,7 +747,7 @@ choice
 
 config RCU_NOCB_CPU_NONE
        bool "No build_forced no-CBs CPUs"
-       depends on RCU_NOCB_CPU && !NO_HZ_FULL_ALL
+       depends on RCU_NOCB_CPU
        help
          This option does not force any of the CPUs to be no-CBs CPUs.
          Only CPUs designated by the rcu_nocbs= boot parameter will be
@@ -751,7 +761,7 @@ config RCU_NOCB_CPU_NONE
 
 config RCU_NOCB_CPU_ZERO
        bool "CPU 0 is a build_forced no-CBs CPU"
-       depends on RCU_NOCB_CPU && !NO_HZ_FULL_ALL
+       depends on RCU_NOCB_CPU
        help
          This option forces CPU 0 to be a no-CBs CPU, so that its RCU
          callbacks are invoked by a per-CPU kthread whose name begins