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refscale: Allow refscale without RCU Tasks

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Currently, a CONFIG_PREEMPT_NONE=y kernel substitutes normal RCU for
RCU Tasks.  Unless that kernel builds refscale, whether built-in or as a
module, in which case RCU Tasks is (unnecessarily) built in.  This both
increases kernel size and increases the complexity of certain tracing
operations.  This commit therefore decouples the presence of refscale
from the presence of RCU Tasks.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney
2022-03-25 14:39:54 -07:00
parent 58524e0fed
commit 5f654af150
4 changed files with 15 additions and 2 deletions
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kernel/rcu/Kconfig.debug
-1
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@@ -63,7 +63,6 @@ config RCU_REF_SCALE_TEST
depends on DEBUG_KERNEL
select TORTURE_TEST
select SRCU
select TASKS_RCU
select TASKS_RUDE_RCU
select TASKS_TRACE_RCU
default n