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-rw-r--r--extra/Configs/Config.arm4
1 files changed, 3 insertions, 1 deletions
diff --git a/extra/Configs/Config.arm b/extra/Configs/Config.arm
index 4ab7da0d1..0bb2971a9 100644
--- a/extra/Configs/Config.arm
+++ b/extra/Configs/Config.arm
@@ -33,4 +33,6 @@ config COMPILE_IN_THUMB_MODE
config USE_BX
bool "Use BX in function return"
help
- Use BX instruction for THUMB aware architectures.
+ Say 'y' to use BX to return from functions on your thumb-aware
+ processor. Say 'y' if you need to use interworking. Say 'n' if not.
+ It is safe to say 'y' even if you're not doing interworking.