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-rw-r--r--init/Kconfig4
1 files changed, 1 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 3ee28ae02cc8..0c9546ba56e8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -739,6 +739,7 @@ config RCU_NOCB_CPU
choice
prompt "Build-forced no-CBs CPUs"
default RCU_NOCB_CPU_NONE
+ depends on RCU_NOCB_CPU
help
This option allows no-CBs CPUs (whose RCU callbacks are invoked
from kthreads rather than from softirq context) to be specified
@@ -747,7 +748,6 @@ choice
config RCU_NOCB_CPU_NONE
bool "No build_forced no-CBs CPUs"
- 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
@@ -761,7 +761,6 @@ 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
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
@@ -776,7 +775,6 @@ config RCU_NOCB_CPU_ZERO
config RCU_NOCB_CPU_ALL
bool "All CPUs are build_forced no-CBs CPUs"
- depends on RCU_NOCB_CPU
help
This option forces all CPUs to be no-CBs CPUs. The rcu_nocbs=
boot parameter will be ignored. All CPUs' RCU callbacks will