[Openmp-commits] [openmp] [OpenMP] Enable automatic unified shared memory on MI300A. (PR #77512)

[Joseph Huber via Openmp-commits]

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@@ -144,19 +144,32 @@ void PluginAdaptorTy::initDevices(PluginManager &PM) {
 
   int32_t NumPD = getNumberOfPluginDevices();
   ExclusiveDevicesAccessor->reserve(DeviceOffset + NumPD);
+  // Auto zero-copy is a per-device property. We need to ensure
+  // that all devices are suggesting to use it.
+  bool UseAutoZeroCopy = true;
+  if (NumPD == 0)
+    UseAutoZeroCopy = false;
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jhuber6 wrote:

nit. could initialize this to `NumPD == 0`.

https://github.com/llvm/llvm-project/pull/77512