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[UR][CUDA] Fix unmap of buffer WRITE_INVALIDATE_REGION mappings #19028

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Merged
merged 1 commit into from
Jun 18, 2025
Merged

[UR][CUDA] Fix unmap of buffer WRITE_INVALIDATE_REGION mappings #19028

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4 changes: 3 additions & 1 deletion unified-runtime/source/adapters/cuda/enqueue.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1384,7 +1384,9 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueMemUnmap(
BufferImpl.MemAllocMode == BufferMem::AllocMode::AllocHostPtr;

ur_result_t Result = UR_RESULT_SUCCESS;
if (!IsPinned && (Map->getMapFlags() & UR_MAP_FLAG_WRITE)) {
if (!IsPinned &&
(Map->getMapFlags() &
(UR_MAP_FLAG_WRITE | UR_MAP_FLAG_WRITE_INVALIDATE_REGION))) {
// Pinned host memory is only on host so it doesn't need to be written to.
Result = urEnqueueMemBufferWrite(
hQueue, hMem, true, Map->getMapOffset(), Map->getMapSize(), pMappedPtr,
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4 changes: 0 additions & 4 deletions unified-runtime/test/conformance/enqueue/urEnqueueMemBufferMap.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -50,10 +50,6 @@ UUR_DEVICE_TEST_SUITE_WITH_PARAM(
TEST_P(urEnqueueMemBufferMapTestWithWriteFlagParam, SuccessWrite) {
UUR_KNOWN_FAILURE_ON(uur::LevelZero{});

if (getParam().map_flag == UR_MAP_FLAG_WRITE_INVALIDATE_REGION) {
UUR_KNOWN_FAILURE_ON(uur::CUDA{});
}

const std::vector<uint32_t> input(count, 0);
ASSERT_SUCCESS(urEnqueueMemBufferWrite(queue, buffer, true, 0, size,
input.data(), 0, nullptr, nullptr));
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