dm space map metadata: fix sm_bootstrap_get_nr_blocks()

[firefly-linux-kernel-4.4.55.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 9d3a7887a6d3e0b7a8323865b658e1d088dcea85..8fa4f758821a694b09b2ddb42ee94c69a90345a7 100644 (file)
--- 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