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-rw-r--r--init/Kconfig12
-rw-r--r--init/main.c1
2 files changed, 7 insertions, 6 deletions
diff --git a/init/Kconfig b/init/Kconfig
index a76d13189e47..9d3a7887a6d3 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -302,7 +302,7 @@ choice
# Kind of a stub config for the pure tick based cputime accounting
config TICK_CPU_ACCOUNTING
bool "Simple tick based cputime accounting"
- depends on !S390
+ depends on !S390 && !NO_HZ_FULL
help
This is the basic tick based cputime accounting that maintains
statistics about user, system and idle time spent on per jiffies
@@ -312,7 +312,7 @@ config TICK_CPU_ACCOUNTING
config VIRT_CPU_ACCOUNTING_NATIVE
bool "Deterministic task and CPU time accounting"
- depends on HAVE_VIRT_CPU_ACCOUNTING
+ depends on HAVE_VIRT_CPU_ACCOUNTING && !NO_HZ_FULL
select VIRT_CPU_ACCOUNTING
help
Select this option to enable more accurate task and CPU time
@@ -342,7 +342,7 @@ config VIRT_CPU_ACCOUNTING_GEN
config IRQ_TIME_ACCOUNTING
bool "Fine granularity task level IRQ time accounting"
- depends on HAVE_IRQ_TIME_ACCOUNTING
+ depends on HAVE_IRQ_TIME_ACCOUNTING && !NO_HZ_FULL
help
Select this option to enable fine granularity task irq time
accounting. This is done by reading a timestamp on each
@@ -576,7 +576,7 @@ config RCU_FANOUT_EXACT
config RCU_FAST_NO_HZ
bool "Accelerate last non-dyntick-idle CPU's grace periods"
- depends on NO_HZ && SMP
+ depends on NO_HZ_COMMON && SMP
default n
help
This option permits CPUs to enter dynticks-idle state even if
@@ -687,7 +687,7 @@ choice
config RCU_NOCB_CPU_NONE
bool "No build_forced no-CBs CPUs"
- depends on RCU_NOCB_CPU
+ depends on RCU_NOCB_CPU && !NO_HZ_FULL
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
@@ -695,7 +695,7 @@ 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
+ depends on RCU_NOCB_CPU && !NO_HZ_FULL
help
This option forces CPU 0 to be a no-CBs CPU. Additional CPUs
may be designated as no-CBs CPUs using the rcu_nocbs= boot
diff --git a/init/main.c b/init/main.c
index ceed17aaedfd..9484f4ba88d0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -544,6 +544,7 @@ asmlinkage void __init start_kernel(void)
idr_init_cache();
perf_event_init();
rcu_init();
+ tick_nohz_init();
radix_tree_init();
/* init some links before init_ISA_irqs() */
early_irq_init();