percpu_rw_semaphore: introduce CONFIG_PERCPU_RWSEM

[firefly-linux-kernel-4.4.55.git] / lib / Makefile

diff --git a/lib/Makefile b/lib/Makefile
index e2152fa7ff4d9ddd970468f5cfe19f340284ff55..5558e35170cd7af27a17f974979f97237f93a22a 100644 (file)
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -40,6 +40,7 @@ obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
 obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
 lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o
 lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
+lib-$(CONFIG_PERCPU_RWSEM) += percpu-rwsem.o
 
 CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o