tick: Document TICK_ONESHOT config option

[linux-2.6.git] / kernel / time / Kconfig

diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index 95ed429..a20dc8a 100644 (file)
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -1,12 +1,16 @@
 #
 # Timer subsystem related configuration options
 #
+
+# Core internal switch. Selected by NO_HZ / HIGH_RES_TIMERS. This is
+# only related to the tick functionality. Oneshot clockevent devices
+# are supported independ of this.
 config TICK_ONESHOT
        bool
 
 config NO_HZ
        bool "Tickless System (Dynamic Ticks)"
-       depends on GENERIC_TIME && GENERIC_CLOCKEVENTS
+       depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS
        select TICK_ONESHOT
        help
          This option enables a tickless system: timer interrupts will
@@ -15,7 +19,7 @@ config NO_HZ
 
 config HIGH_RES_TIMERS
        bool "High Resolution Timer Support"
-       depends on GENERIC_TIME && GENERIC_CLOCKEVENTS
+       depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS
        select TICK_ONESHOT
        help
          This option enables high resolution timer support. If your
@@ -25,5 +29,7 @@ config HIGH_RES_TIMERS
 config GENERIC_CLOCKEVENTS_BUILD
        bool
        default y
-       depends on GENERIC_CLOCKEVENTS || GENERIC_CLOCKEVENTS_MIGR
+       depends on GENERIC_CLOCKEVENTS
 
+config GENERIC_CLOCKEVENTS_MIN_ADJUST
+       bool