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16 changes: 15 additions & 1 deletion sycl/plugins/cuda/pi_cuda.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3359,6 +3359,13 @@ pi_result cuda_piEnqueueMemBufferMap(pi_queue command_queue, pi_mem buffer,
ret_err = cuda_piEnqueueMemBufferRead(
command_queue, buffer, blocking_map, offset, size, hostPtr,
num_events_in_wait_list, event_wait_list, retEvent);
} else {
if (retEvent) {
auto new_event =
_pi_event::make_native(PI_COMMAND_TYPE_MEM_BUFFER_MAP, command_queue);
new_event->record();
*retEvent = new_event;
}
}

return ret_err;
Expand All @@ -3372,7 +3379,7 @@ pi_result cuda_piEnqueueMemUnmap(pi_queue command_queue, pi_mem memobj,
pi_uint32 num_events_in_wait_list,
const pi_event *event_wait_list,
pi_event *retEvent) {
pi_result ret_err = PI_INVALID_OPERATION;
pi_result ret_err = PI_SUCCESS;

assert(mapped_ptr != nullptr);
assert(memobj != nullptr);
Expand All @@ -3385,6 +3392,13 @@ pi_result cuda_piEnqueueMemUnmap(pi_queue command_queue, pi_mem memobj,
command_queue, memobj, true, memobj->get_map_offset(mapped_ptr),
memobj->get_size(), mapped_ptr, num_events_in_wait_list, event_wait_list,
retEvent);
} else {
if (retEvent) {
auto new_event = _pi_event::make_native(PI_COMMAND_TYPE_MEM_BUFFER_UNMAP,
command_queue);
new_event->record();
*retEvent = new_event;
}
}

memobj->unmap(mapped_ptr);
Expand Down
3 changes: 0 additions & 3 deletions sycl/test/scheduler/DataMovement.cpp
Original file line number Diff line number Diff line change
@@ -1,6 +1,3 @@
// XFAIL: cuda
// TODO: Fix accidential error return when unmapping read-only memory objects.
//
// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -I %sycl_source_dir %s -o %t.out -g
// RUN: %CPU_RUN_PLACEHOLDER %t.out
// RUN: %GPU_RUN_PLACEHOLDER %t.out
Expand Down