1 files changed, 0 insertions, 49 deletions
diff --git a/vdso/barrier.h b/vdso/barrier.h
deleted file mode 100644
index edba4afb5..000000000
--- a/vdso/barrier.h
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef VDSO_BARRIER_H_
-#define VDSO_BARRIER_H_
-
-namespace vdso {
-
-// Compiler Optimization barrier.
-inline void barrier(void) { __asm__ __volatile__("" ::: "memory"); }
-
-#if __x86_64__
-
-inline void memory_barrier(void) {
-  __asm__ __volatile__("mfence" ::: "memory");
-}
-inline void read_barrier(void) { barrier(); }
-inline void write_barrier(void) { barrier(); }
-
-#elif __aarch64__
-
-inline void memory_barrier(void) {
-  __asm__ __volatile__("dmb ish" ::: "memory");
-}
-inline void read_barrier(void) {
-  __asm__ __volatile__("dmb ishld" ::: "memory");
-}
-inline void write_barrier(void) {
-  __asm__ __volatile__("dmb ishst" ::: "memory");
-}
-
-#else
-#error "unsupported architecture"
-#endif
-
-}  // namespace vdso
-
-#endif  // VDSO_BARRIER_H_