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-rw-r--r--cpu/instructions/execution_control/tret.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/cpu/instructions/execution_control/tret.txt b/cpu/instructions/execution_control/tret.txt
index 7b2cd9d..53b1097 100644
--- a/cpu/instructions/execution_control/tret.txt
+++ b/cpu/instructions/execution_control/tret.txt
@@ -6,6 +6,8 @@ Usage:
Effect:
See ../../task_switching/execution.txt
+ Only takes effect after all other writes are complete
+
Exceptions:
`Invalid operation` if not the original task