X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=init%2FKconfig;h=8fa4f758821a694b09b2ddb42ee94c69a90345a7;hb=81f250e1cf8048e4780e46d5219b0e7f943a336b;hp=9d3a7887a6d3e0b7a8323865b658e1d088dcea85;hpb=407a0e18ecfbd7f58f49c307a657b63e6f32544d;p=firefly-linux-kernel-4.4.55.git

diff --git a/init/Kconfig b/init/Kconfig
index 9d3a7887a6d3..8fa4f758821a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -431,6 +431,7 @@ choice
 config TREE_RCU
 	bool "Tree-based hierarchical RCU"
 	depends on !PREEMPT && SMP
+	select IRQ_WORK
 	help
 	  This option selects the RCU implementation that is
 	  designed for very large SMP system with hundreds or
@@ -1364,6 +1365,14 @@ config FUTEX
 	  support for "fast userspace mutexes".  The resulting kernel may not
 	  run glibc-based applications correctly.
 
+config HAVE_FUTEX_CMPXCHG
+	bool
+	depends on FUTEX
+	help
+	  Architectures should select this if futex_atomic_cmpxchg_inatomic()
+	  is implemented and always working. This removes a couple of runtime
+	  checks.
+
 config EPOLL
 	bool "Enable eventpoll support" if EXPERT
 	default y