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

[safe/jmp/linux-2.6] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index ed9c19e..089a230 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -396,6 +396,22 @@ config RCU_FANOUT_EXACT
 
          Say N if unsure.
 
+config RCU_FAST_NO_HZ
+       bool "Accelerate last non-dyntick-idle CPU's grace periods"
+       depends on TREE_RCU && NO_HZ && SMP
+       default n
+       help
+         This option causes RCU to attempt to accelerate grace periods
+         in order to allow the final CPU to enter dynticks-idle state
+         more quickly.  On the other hand, this option increases the
+         overhead of the dynticks-idle checking, particularly on systems
+         with large numbers of CPUs.
+
+         Say Y if energy efficiency is critically important, particularly
+               if you have relatively few CPUs.
+
+         Say N if you are unsure.
+
 config TREE_RCU_TRACE
        def_bool RCU_TRACE && ( TREE_RCU || TREE_PREEMPT_RCU )
        select DEBUG_FS
@@ -955,19 +971,6 @@ config PERF_EVENTS
 
          Say Y if unsure.
 
-config EVENT_PROFILE
-       bool "Tracepoint profiling sources"
-       depends on PERF_EVENTS && EVENT_TRACING
-       default y
-       help
-        Allow the use of tracepoints as software performance events.
-
-        When this is enabled, you can create perf events based on
-        tracepoints using PERF_TYPE_TRACEPOINT and the tracepoint ID
-        found in debugfs://tracing/events/*/*/id. (The -e/--events
-        option to the perf tool can parse and interpret symbolic
-        tracepoints, in the subsystem:tracepoint_name format.)
-
 config PERF_COUNTERS
        bool "Kernel performance counters (old config option)"
        depends on HAVE_PERF_EVENTS
@@ -1091,7 +1094,7 @@ config MMAP_ALLOW_UNINITIALIZED
          See Documentation/nommu-mmap.txt for more information.
 
 config PROFILING
-       bool "Profiling support (EXPERIMENTAL)"
+       bool "Profiling support"
        help
          Say Y here to enable the extended profiling support mechanisms used
          by profilers such as OProfile.
@@ -1241,4 +1244,8 @@ source "block/Kconfig"
 config PREEMPT_NOTIFIERS
        bool
 
+config PADATA
+       depends on SMP
+       bool
+
 source "kernel/Kconfig.locks"