srcu: Make SRCU be built by default

SRCU is optional, and included only if there is a "select SRCU" in effect.
However, we now have Tiny SRCU, so this commit defaults CONFIG_SRCU=y.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/init/Kconfig b/init/Kconfig
index fe72c12e06a541a171ab9dd74344b9e9365c8720..42a346b0df43c5fbab4a0c09f6cc82ba2178da27 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -521,6 +521,7 @@ config RCU_EXPERT
 
 config SRCU
        bool
+       default y
        help
          This option selects the sleepable version of RCU. This version
          permits arbitrary sleeping or blocking within RCU read-side critical