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-rw-r--r--init/Kconfig6
1 files changed, 3 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig
index d62778390e55..dc7e27bf89a8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -391,7 +391,7 @@ config TREE_RCU
config TREE_PREEMPT_RCU
bool "Preemptible tree-based hierarchical RCU"
- depends on PREEMPT
+ depends on PREEMPT && SMP
help
This option selects the RCU implementation that is
designed for very large SMP systems with hundreds or
@@ -401,7 +401,7 @@ config TREE_PREEMPT_RCU
config TINY_RCU
bool "UP-only small-memory-footprint RCU"
- depends on !SMP
+ depends on !PREEMPT && !SMP
help
This option selects the RCU implementation that is
designed for UP systems from which real-time response
@@ -410,7 +410,7 @@ config TINY_RCU
config TINY_PREEMPT_RCU
bool "Preemptible UP-only small-memory-footprint RCU"
- depends on !SMP && PREEMPT
+ depends on PREEMPT && !SMP
help
This option selects the RCU implementation that is designed
for real-time UP systems. This option greatly reduces the