Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull liblockdep fixes from Ingo Molnar:
 "A handful of build fixes for liblockdep"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tools/liblockdep: Use realpath for srctree and objtree
  tools/liblockdep: Add a stub for new rcu_is_watching
  tools/liblockdep: Mark runtests.sh as executable
  tools/liblockdep: Add include directory to allow tests to compile
  tools/liblockdep: Fix include of asm/hash.h
  tools/liblockdep: Fix initialization code path

5 files changed, 15 insertions, 4 deletions

diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
index da8b7aa3d351..07b0b7542511 100644
--- a/tools/lib/lockdep/Makefile
+++ b/tools/lib/lockdep/Makefile
@@ -87,8 +87,8 @@ endif # BUILD_SRC
 # We process the rest of the Makefile if this is the final invocation of make
 ifeq ($(skip-makefile),)
 
-srctree         := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
-objtree         := $(CURDIR)
+srctree         := $(realpath $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)))
+objtree         := $(realpath $(CURDIR))
 src             := $(srctree)
 obj             := $(objtree)
 
@@ -112,7 +112,7 @@ export Q VERBOSE
 
 LIBLOCKDEP_VERSION = $(LL_VERSION).$(LL_PATCHLEVEL).$(LL_EXTRAVERSION)
 
-INCLUDES = -I. -I/usr/local/include -I./uinclude $(CONFIG_INCLUDES)
+INCLUDES = -I. -I/usr/local/include -I./uinclude -I./include $(CONFIG_INCLUDES)
 
 # Set compile option CFLAGS if not set elsewhere
 CFLAGS ?= -g -DCONFIG_LOCKDEP -DCONFIG_STACKTRACE -DCONFIG_PROVE_LOCKING -DBITS_PER_LONG=__WORDSIZE -DLIBLOCKDEP_VERSION='"$(LIBLOCKDEP_VERSION)"' -rdynamic -O0 -g
diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c
index f8465a811aa5..23bd69cb5ade 100644
--- a/tools/lib/lockdep/preload.c
+++ b/tools/lib/lockdep/preload.c
@@ -418,7 +418,7 @@ int pthread_rwlock_unlock(pthread_rwlock_t *rwlock)
 
 __attribute__((constructor)) static void init_preload(void)
 {
-        if (__init_state != done)
+        if (__init_state == done)
                 return;
 
 #ifndef __GLIBC__
diff --git a/tools/lib/lockdep/run_tests.sh b/tools/lib/lockdep/run_tests.sh
index 5334ad9d39b7..5334ad9d39b7 100644..100755
--- a/tools/lib/lockdep/run_tests.sh
+++ b/tools/lib/lockdep/run_tests.sh
diff --git a/tools/lib/lockdep/uinclude/asm/hash.h b/tools/lib/lockdep/uinclude/asm/hash.h
new file mode 100644
index 000000000000..d82b170bb216
--- /dev/null
+++ b/tools/lib/lockdep/uinclude/asm/hash.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_GENERIC_HASH_H
+#define __ASM_GENERIC_HASH_H
+
+/* Stub */
+
+#endif /* __ASM_GENERIC_HASH_H */
diff --git a/tools/lib/lockdep/uinclude/linux/rcu.h b/tools/lib/lockdep/uinclude/linux/rcu.h
index 4c99fcb5da27..042ee8e463c9 100644
--- a/tools/lib/lockdep/uinclude/linux/rcu.h
+++ b/tools/lib/lockdep/uinclude/linux/rcu.h
@@ -13,4 +13,9 @@ static inline int rcu_is_cpu_idle(void)
         return 1;
 }
 
+static inline bool rcu_is_watching(void)
+{
+        return false;
+}
+
 #endif