Initialize intercept queue packets properly.

Change-Id: I0ff1540940665409a9ade3a517dd576a8f334c7b [ROCm/ROCR-Runtime commit: 9192dfe1b0]
2020-10-08 15:33:43 -05:00
parent 6e6cc27c73
commit c3142d6b6d
1 changed files with 6 additions and 0 deletions
@@ -79,6 +79,12 @@ InterceptQueue::InterceptQueue(std::unique_ptr<Queue> queue)
  buffer_ = SharedArray<AqlPacket, 4096>(wrapped->amd_queue_.hsa_queue.size);
  amd_queue_.hsa_queue.base_address = reinterpret_cast<void*>(&buffer_[0]);

+  // Fill the ring buffer with invalid packet headers.
+  // Leave packet content uninitialized to help trigger application errors.
+  for (uint32_t pkt_id = 0; pkt_id < wrapped->amd_queue_.hsa_queue.size; ++pkt_id) {
+    buffer_[pkt_id].dispatch.header = HSA_PACKET_TYPE_INVALID;
+  }
+
  // Match the queue's signal ABI block to async_doorbell_'s
  // This allows us to use the queue's signal ABI block from devices to trigger async_doorbell while
  // host side use jumps directly to the queue's signal implementation.