diff --git a/nptl/pthread_rwlock_rdlock.c b/nptl/pthread_rwlock_rdlock.c
index a4deed4..413aa76 100644
--- a/nptl/pthread_rwlock_rdlock.c
+++ b/nptl/pthread_rwlock_rdlock.c
@@ -22,7 +22,7 @@
 #include <pthread.h>
 #include <pthreadP.h>
 #include <stap-probe.h>
-
+#include "elide.h"
 
 /* Acquire read lock for RWLOCK.  Slow path. */
 static int __attribute__((noinline))
@@ -102,6 +102,12 @@ __pthread_rwlock_rdlock (pthread_rwlock_t *rwlock)
 
   LIBC_PROBE (rdlock_entry, 1, rwlock);
 
+  if (ELIDE_LOCK (rwlock->__data.__rwelision,
+		  rwlock->__data.__lock == 0
+		  && rwlock->__data.__writer == 0
+		  && rwlock->__data.__nr_readers == 0))
+    return 0;
+
   /* Make sure we are alone.  */
   lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
 
diff --git a/nptl/pthread_rwlock_tryrdlock.c b/nptl/pthread_rwlock_tryrdlock.c
index f7b1e6b..fe615bc 100644
--- a/nptl/pthread_rwlock_tryrdlock.c
+++ b/nptl/pthread_rwlock_tryrdlock.c
@@ -19,13 +19,19 @@
 #include <errno.h>
 #include "pthreadP.h"
 #include <lowlevellock.h>
-
+#include "elide.h"
 
 int
 __pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock)
 {
   int result = EBUSY;
 
+  if (ELIDE_TRYLOCK (rwlock->__data.__rwelision,
+		     rwlock->__data.__lock == 0
+		     && rwlock->__data.__nr_readers == 0
+		     && rwlock->__data.__writer, 0))
+    return 0;
+
   lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
 
   if (rwlock->__data.__writer == 0
diff --git a/nptl/pthread_rwlock_trywrlock.c b/nptl/pthread_rwlock_trywrlock.c
index 106f157..9891c3d 100644
--- a/nptl/pthread_rwlock_trywrlock.c
+++ b/nptl/pthread_rwlock_trywrlock.c
@@ -19,13 +19,19 @@
 #include <errno.h>
 #include "pthreadP.h"
 #include <lowlevellock.h>
-
+#include "elide.h"
 
 int
 __pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock)
 {
   int result = EBUSY;
 
+  if (ELIDE_TRYLOCK (rwlock->__data.__rwelision,
+		     rwlock->__data.__lock == 0
+		     && rwlock->__data.__nr_readers == 0
+		     && rwlock->__data.__writer, 1))
+    return 0;
+
   lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
 
   if (rwlock->__data.__writer == 0 && rwlock->__data.__nr_readers == 0)
diff --git a/nptl/pthread_rwlock_unlock.c b/nptl/pthread_rwlock_unlock.c
index d492383..e3c63e4 100644
--- a/nptl/pthread_rwlock_unlock.c
+++ b/nptl/pthread_rwlock_unlock.c
@@ -22,6 +22,7 @@
 #include <pthread.h>
 #include <pthreadP.h>
 #include <stap-probe.h>
+#include "elide.h"
 
 /* Unlock RWLOCK.  */
 int
@@ -29,6 +30,10 @@ __pthread_rwlock_unlock (pthread_rwlock_t *rwlock)
 {
   LIBC_PROBE (rwlock_unlock, 1, rwlock);
 
+  if (ELIDE_UNLOCK (rwlock->__data.__writer == 0
+		    && rwlock->__data.__nr_readers == 0))
+    return 0;
+
   lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
   if (rwlock->__data.__writer)
     rwlock->__data.__writer = 0;
diff --git a/nptl/pthread_rwlock_wrlock.c b/nptl/pthread_rwlock_wrlock.c
index 2907681..fc1217c 100644
--- a/nptl/pthread_rwlock_wrlock.c
+++ b/nptl/pthread_rwlock_wrlock.c
@@ -22,7 +22,7 @@
 #include <pthread.h>
 #include <pthreadP.h>
 #include <stap-probe.h>
-
+#include "elide.h"
 
 /* Acquire write lock for RWLOCK.  */
 static int __attribute__((noinline))
@@ -91,6 +91,12 @@ __pthread_rwlock_wrlock (pthread_rwlock_t *rwlock)
 {
   LIBC_PROBE (wrlock_entry, 1, rwlock);
 
+  if (ELIDE_LOCK (rwlock->__data.__rwelision,
+		  rwlock->__data.__lock == 0
+		  && rwlock->__data.__writer == 0
+		  && rwlock->__data.__nr_readers == 0))
+    return 0;
+
   /* Make sure we are alone.  */
   lll_lock (rwlock->__data.__lock, rwlock->__data.__shared);
 
diff --git a/nptl/sysdeps/pthread/pthread.h b/nptl/sysdeps/pthread/pthread.h
index 1e0c5dc..6992e4a 100644
--- a/nptl/sysdeps/pthread/pthread.h
+++ b/nptl/sysdeps/pthread/pthread.h
@@ -139,19 +139,23 @@ enum
 # endif
 #endif
 
+#ifndef __PTHREAD_RWLOCK_ELISION_EXTRA
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0
+#endif
+
 /* Read-write lock initializers.  */
 # define PTHREAD_RWLOCK_INITIALIZER \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
+  { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
 # ifdef __USE_GNU
 #  ifdef __PTHREAD_RWLOCK_INT_FLAGS_SHARED
 #   define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
-  { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,					      \
+  { { 0, 0, 0, 0, 0, 0, 0, 0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0,					      \
 	PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP } }
 #  else
 #   if __BYTE_ORDER == __LITTLE_ENDIAN
 #    define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
   { { 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, \
-      0, 0, 0, 0 } }
+      0, __PTHREAD_RWLOCK_ELISION_EXTRA, 0, 0 } }
 #   else
 #    define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \
   { { 0, 0, 0, 0, 0, 0, 0, 0, 0, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP,\
diff --git a/nptl/sysdeps/unix/sysv/linux/x86/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/x86/bits/pthreadtypes.h
index 28e5144..6152bdf 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86/bits/pthreadtypes.h
@@ -183,11 +183,13 @@ typedef union
     unsigned int __nr_writers_queued;
     int __writer;
     int __shared;
-    unsigned long int __pad1;
+    unsigned char __rwelision;
+    unsigned char __pad1[7];
     unsigned long int __pad2;
     /* FLAGS must stay at this position in the structure to maintain
        binary compatibility.  */
     unsigned int __flags;
+# define __PTHREAD_RWLOCK_ELISION_EXTRA 0, {0, 0, 0, 0, 0, 0, 0 }
 # define __PTHREAD_RWLOCK_INT_FLAGS_SHARED	1
   } __data;
 # else
@@ -203,7 +205,7 @@ typedef union
        binary compatibility.  */
     unsigned char __flags;
     unsigned char __shared;
-    unsigned char __pad1;
+    unsigned char __rwelision;
     unsigned char __pad2;
     int __writer;
   } __data;
diff --git a/nptl/sysdeps/unix/sysv/linux/x86/elide.h b/nptl/sysdeps/unix/sysv/linux/x86/elide.h
new file mode 100644
index 0000000..cb56901
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/x86/elide.h
@@ -0,0 +1,81 @@
+#ifndef ELIDE_H
+#define ELIDE_H 1
+
+#include "hle.h"
+#include "elision-conf.h"
+
+/* Adapt elision with ADAPT_COUNT and STATUS and decide retries.  */
+
+static inline int elision_adapt(unsigned char *adapt_count, unsigned status)
+{
+  if (status & _XABORT_RETRY)
+    return 0;
+  if ((status & _XABORT_EXPLICIT)
+      && _XABORT_CODE (status) == _ABORT_LOCK_BUSY)
+    {
+      /* Right now we skip here.  Better would be to wait a bit
+	 and retry.  This likely needs some spinning.  */
+      if (*adapt_count != __elision_aconf.skip_lock_busy)
+	*adapt_count = __elision_aconf.skip_lock_busy;
+    }
+  /* Internal abort.  There is no chance for retry.
+     Use the normal locking and next time use lock.
+     Be careful to avoid writing to the lock.  */
+  else if (*adapt_count != __elision_aconf.skip_lock_internal_abort)
+    *adapt_count = __elision_aconf.skip_lock_internal_abort;
+  return 1;
+}
+
+/* is_lock_free must be executed inside the transaction */
+
+#define ELIDE_LOCK(adapt_count, is_lock_free)			\
+  ({								\
+    int i;							\
+    unsigned status;						\
+    int ret = 0;						\
+								\
+    if ((adapt_count) <= 0) 					\
+      {								\
+        for (i = __elision_aconf.retry_try_xbegin; i > 0; i--)	\
+          {							\
+	    if ((status = _xbegin ()) == _XBEGIN_STARTED)	\
+	      {							\
+	        if (is_lock_free)				\
+	          {						\
+		    ret = 1;					\
+		    break;					\
+	          }						\
+	        _xabort (_ABORT_LOCK_BUSY);			\
+	      }							\
+	    if (!elision_adapt (&(adapt_count), status))	\
+	      break;						\
+          }							\
+      }								\
+    else 							\
+      (adapt_count)--; /* missing updates ok */			\
+    ret;							\
+  })
+
+#define ELIDE_TRYLOCK(adapt_count, is_lock_free, write) ({	\
+  int ret = 0;						\
+  if (__elision_aconf.retry_try_xbegin > 0)		\
+    {  							\
+      if (write)					\
+        _xabort (_ABORT_NESTED_TRYLOCK);		\
+      ret = ELIDE_LOCK (adapt_count, is_lock_free);     \
+    }							\
+    ret;						\
+    })
+
+#define ELIDE_UNLOCK(is_lock_free)		\
+  ({						\
+  int ret = 0;					\
+  if (is_lock_free)				\
+    {						\
+      _xend ();					\
+      ret = 1;					\
+    }						\
+  ret;						\
+  })
+
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c b/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
index e6f5d6d..28e48d9 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
+++ b/nptl/sysdeps/unix/sysv/linux/x86/elision-conf.c
@@ -66,6 +66,8 @@ elision_init (int argc __attribute__ ((unused)),
 #ifdef ENABLE_LOCK_ELISION
   __pthread_force_elision = __libc_enable_secure ? 0 : __elision_available;
 #endif
+  if (!HAS_RTM)
+    __elision_aconf.retry_try_xbegin = 0; /* Disable elision on rwlocks */
 }
 
 #ifdef SHARED
