SWDEV-550882 - Fix hang in Unit_hipIpcMemAccess_Semaphores (#816)

projects/hip-tests/catch/multiproc/hipIpcMemAccessTest.cc

@@ -138,9 +138,11 @@ TEST_CASE("Unit_hipIpcMemAccess_Semaphores") {
         }
       }
       for (int i = 0; i < Num_devices; ++i) {
-        HIP_CHECK(hipSetDevice(i));
+        
         HIP_CHECK(hipDeviceCanAccessPeer(&CanAccessPeer, i, shrd_mem->device));
         if (CanAccessPeer == 1) {
+          HIP_CHECK(hipDeviceEnablePeerAccess(i, 0));
+          HIP_CHECK(hipSetDevice(i));
           HIP_CHECK(hipMalloc(&C_d, Nbytes));
           HIP_CHECK(hipIpcOpenMemHandle(reinterpret_cast<void**>(&B_d), shrd_mem->memHandle,
                                         hipIpcMemLazyEnablePeerAccess));