diff --git a/deps/checksums/libuv-28f5f06b5ff6f010d666ec26552e0badaca5cdcd.tar.gz/md5 b/deps/checksums/libuv-28f5f06b5ff6f010d666ec26552e0badaca5cdcd.tar.gz/md5
deleted file mode 100644
index 4edee6e62e585..0000000000000
--- a/deps/checksums/libuv-28f5f06b5ff6f010d666ec26552e0badaca5cdcd.tar.gz/md5
+++ /dev/null
@@ -1 +0,0 @@
-429c128e55147c8b43d6555fe406869b
diff --git a/deps/checksums/libuv-28f5f06b5ff6f010d666ec26552e0badaca5cdcd.tar.gz/sha512 b/deps/checksums/libuv-28f5f06b5ff6f010d666ec26552e0badaca5cdcd.tar.gz/sha512
deleted file mode 100644
index 00006bb78791c..0000000000000
--- a/deps/checksums/libuv-28f5f06b5ff6f010d666ec26552e0badaca5cdcd.tar.gz/sha512
+++ /dev/null
@@ -1 +0,0 @@
-c80390c970cebded5a444cabce95e80314f10c56aa59a37c67f9221ba69d1ebe8ece2d524abb71d83aa7d239e92149171bc2f7428f4efe9a7e259ab2b019b871
diff --git a/deps/checksums/libuv-bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44.tar.gz/md5 b/deps/checksums/libuv-bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44.tar.gz/md5
new file mode 100644
index 0000000000000..dfc9a1893856b
--- /dev/null
+++ b/deps/checksums/libuv-bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44.tar.gz/md5
@@ -0,0 +1 @@
+069718374ef9743add058379547ec7e4
diff --git a/deps/checksums/libuv-bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44.tar.gz/sha512 b/deps/checksums/libuv-bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44.tar.gz/sha512
new file mode 100644
index 0000000000000..8ac2fb08a7907
--- /dev/null
+++ b/deps/checksums/libuv-bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44.tar.gz/sha512
@@ -0,0 +1 @@
+a8d170e6997b65ef3fe11679df7524c8271601f6e4d1c81edaa94c42110bf1b4b89ec98551226ece4435df672e89d924f9c375ccbd7921c1745f31a86c64cdc8
diff --git a/deps/libuv.version b/deps/libuv.version
index 07dde31f2ac4d..b1acce0963c2a 100644
--- a/deps/libuv.version
+++ b/deps/libuv.version
@@ -1,2 +1,2 @@
 LIBUV_BRANCH=julia-uv0.11.26
-LIBUV_SHA1=28f5f06b5ff6f010d666ec26552e0badaca5cdcd
+LIBUV_SHA1=bfeafcf23c5fd85aa22eff4fc44fd7febbfd9b44
diff --git a/src/threading.c b/src/threading.c
index 94a5a0fe9e80d..47c8d7d1717bb 100644
--- a/src/threading.c
+++ b/src/threading.c
@@ -99,39 +99,6 @@ uint64_t *user_ticks;
 uint64_t *join_ticks;
 #endif
 
-// create a thread and affinitize it if proc_num is specified
-int ti_threadcreate(uv_thread_t *thread_id, int proc_num,
-                    void (*thread_fun)(void *), void *thread_arg)
-{
-#ifdef _OS_LINUX_
-    pthread_attr_t attr;
-    pthread_attr_init(&attr);
-
-    cpu_set_t cset;
-    if (proc_num >= 0) {
-        CPU_ZERO(&cset);
-        CPU_SET(proc_num, &cset);
-        pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cset);
-    }
-    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-    return pthread_create(thread_id, &attr, thread_fun, thread_arg);
-#else
-    return uv_thread_create(thread_id, thread_fun, thread_arg);
-#endif
-}
-
-// set thread affinity
-void ti_threadsetaffinity(uint64_t thread_id, int proc_num)
-{
-#ifdef _OS_LINUX_
-    cpu_set_t cset;
-
-    CPU_ZERO(&cset);
-    CPU_SET(proc_num, &cset);
-    pthread_setaffinity_np(thread_id, sizeof(cpu_set_t), &cset);
-#endif
-}
-
 // thread function: used by all except the main thread
 void ti_threadfun(void *arg)
 {
@@ -240,9 +207,9 @@ void jl_init_threading(void)
 
 void jl_start_threads(void)
 {
-    char *cp;
+    char *cp, mask[UV_CPU_SETSIZE];
     int i, exclusive;
-    uv_thread_t ptid;
+    uv_thread_t uvtid;
     ti_threadarg_t **targs;
 
     // do we have exclusive use of the machine? default is no
@@ -254,8 +221,12 @@ void jl_start_threads(void)
     // exclusive use: affinitize threads, master thread on proc 0, rest
     // according to a 'compact' policy
     // non-exclusive: no affinity settings; let the kernel move threads about
-    if (exclusive)
-        ti_threadsetaffinity(uv_thread_self(), 0);
+    if (exclusive) {
+        memset(mask, 0, UV_CPU_SETSIZE);
+        mask[0] = 1;
+        uvtid = (uv_thread_t)uv_thread_self();
+        uv_thread_setaffinity(&uvtid, mask, NULL, UV_CPU_SETSIZE);
+    }
 
     // create threads
     targs = malloc((jl_n_threads - 1) * sizeof (ti_threadarg_t *));
@@ -263,7 +234,13 @@ void jl_start_threads(void)
         targs[i] = (ti_threadarg_t *)malloc(sizeof (ti_threadarg_t));
         targs[i]->state = TI_THREAD_INIT;
         targs[i]->tid = i + 1;
-        ti_threadcreate(&ptid, exclusive ? i+1 : -1, ti_threadfun, targs[i]);
+        uv_thread_create(&uvtid, ti_threadfun, targs[i]);
+        if (exclusive) {
+            memset(mask, 0, UV_CPU_SETSIZE);
+            mask[i+1] = 1;
+            uv_thread_setaffinity(&uvtid, mask, NULL, UV_CPU_SETSIZE);
+        }
+        uv_thread_detach(&uvtid);
     }
 
     // set up the world thread group
diff --git a/src/threading.h b/src/threading.h
index c719b0b11392c..8b1b803bab636 100644
--- a/src/threading.h
+++ b/src/threading.h
@@ -57,11 +57,6 @@ typedef struct {
 } ti_threadwork_t;
 
 
-// basic functions for thread creation
-int  ti_threadcreate(uv_thread_t *thread_id, int proc_num,
-                     void (*thread_fun)(void *), void *thread_arg);
-void ti_threadsetaffinity(uint64_t thread_id, int proc_num);
-
 // thread function
 void ti_threadfun(void *arg);