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-rw-r--r--include/hw/core/cpu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 5b2792d937..fb5d9667ca 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -272,6 +272,8 @@ struct qemu_work_item;
  *   to a cluster this will be UNASSIGNED_CLUSTER_INDEX; otherwise it will
  *   be the same as the cluster-id property of the CPU object's TYPE_CPU_CLUSTER
  *   QOM parent.
+ *   Under TCG this value is propagated to @tcg_cflags.
+ *   See TranslationBlock::TCG CF_CLUSTER_MASK.
  * @tcg_cflags: Pre-computed cflags for this cpu.
  * @nr_cores: Number of cores within this CPU package.
  * @nr_threads: Number of threads within this CPU.