Merge pull request #5504 from masterleinad/sycl_remove_enqueue_barrie…

…r_memcpy_workaround

SYCL:  Remove workaround for submit_barrier not being enqueued properly

core/src/SYCL/Kokkos_SYCL_Space.cpp

@@ -39,12 +39,8 @@ void DeepCopySYCL(void* dst, const void* src, size_t n) {
 
 void DeepCopyAsyncSYCL(const Kokkos::Experimental::SYCL& instance, void* dst,
                        const void* src, size_t n) {
-  // FIXME_SYCL memcpy doesn't respect submit_barrier which means that we need
-  // to actually fence the execution space to make sure the memcpy is properly
-  // enqueued when using out-of-order queues.
   sycl::queue& q = *instance.impl_internal_space_instance()->m_queue;
-  q.wait_and_throw();
-  auto event = q.memcpy(dst, src, n);
+  auto event     = q.memcpy(dst, src, n);
   q.ext_oneapi_submit_barrier(std::vector<sycl::event>{event});
 }