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[SYCL][L0] Retain event when taking a reference into a list #4405

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Merged
againull merged 1 commit into from
Aug 26, 2021
Merged

[SYCL][L0] Retain event when taking a reference into a list #4405

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2 changes: 2 additions & 0 deletions sycl/plugins/level_zero/pi_level_zero.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5486,6 +5486,7 @@ pi_result piEnqueueMemBufferMap(pi_queue Queue, pi_mem Buffer,
if (Event) {
(*Event)->ZeCommandList = CommandList->first;
CommandList->second.append(*Event);
PI_CALL(piEventRetain(*Event));
}

if (Buffer->MapHostPtr) {
Expand Down Expand Up @@ -5604,6 +5605,7 @@ pi_result piEnqueueMemUnmap(pi_queue Queue, pi_mem MemObj, void *MappedPtr,
// Set the commandlist in the event
(*Event)->ZeCommandList = CommandList->first;
CommandList->second.append(*Event);
PI_CALL(piEventRetain(*Event));

const auto &ZeCommandList = CommandList->first;
if ((*Event)->WaitList.Length) {
Expand Down