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-rw-r--r--init/Kconfig21
1 files changed, 2 insertions, 19 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 6f257d51f582..2aa14ff40e88 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -526,32 +526,15 @@ config SRCU
permits arbitrary sleeping or blocking within RCU read-side critical
sections.
-config CLASSIC_SRCU
- bool "Use v4.11 classic SRCU implementation"
- default n
- depends on RCU_EXPERT && SRCU
- help
- This option selects the traditional well-tested classic SRCU
- implementation from v4.11, as might be desired for enterprise
- Linux distributions. Without this option, the shiny new
- Tiny SRCU and Tree SRCU implementations are used instead.
- At some point, it is hoped that Tiny SRCU and Tree SRCU
- will accumulate enough test time and confidence to allow
- Classic SRCU to be dropped entirely.
-
- Say Y if you need a rock-solid SRCU.
-
- Say N if you would like help test Tree SRCU.
-
config TINY_SRCU
bool
- default y if SRCU && TINY_RCU && !CLASSIC_SRCU
+ default y if SRCU && TINY_RCU
help
This option selects the single-CPU non-preemptible version of SRCU.
config TREE_SRCU
bool
- default y if SRCU && !TINY_RCU && !CLASSIC_SRCU
+ default y if SRCU && !TINY_RCU
help
This option selects the full-fledged version of SRCU.