nohz: Remove full dynticks' superfluous dependency on RCU tree

Remove the dependency on (TREE_RCU || TREE_PREEMPT_RCU). The full
dynticks option already depends on SMP which implies
(whatever flavour of) RCU tree config anyway.

Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Geoff Levand <[email protected]>
Cc: Gilad Ben Yossef <[email protected]>
Cc: Hakan Akkan <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Li Zhong <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>

diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index e1ac129b01c929cb5388c58d27e5277b0a116d83..1ea2bba4a68646059b5f3e4a3358bf5139192e91 100644 (file)
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -104,8 +104,6 @@ config NO_HZ_FULL
        depends on SMP
        # RCU_USER_QS dependency
        depends on HAVE_CONTEXT_TRACKING
-       # RCU_NOCB_CPU dependency
-       depends on TREE_RCU || TREE_PREEMPT_RCU
        depends on VIRT_CPU_ACCOUNTING_GEN
        select NO_HZ_COMMON
        select RCU_USER_QS