[PATCH] pi-futex: rt mutex core
Core functions for the rt-mutex subsystem.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/init/Kconfig b/init/Kconfig
index df55b36..f70f2fd 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -339,9 +339,14 @@
kernel data structures. This saves memory on small machines,
but may reduce performance.
+config RT_MUTEXES
+ boolean
+ select PLIST
+
config FUTEX
bool "Enable futex support" if EMBEDDED
default y
+ select RT_MUTEXES
help
Disabling this option will cause the kernel to be built without
support for "fast userspace mutexes". The resulting kernel may not