On Wed, Jul 19, 2023 at 05:15:13AM +0800, Zhangjin Wu wrote: > - @echo " run-user runs the executable under QEMU (uses \$$ARCH, \$$TEST)" > + @echo " run-user runs the executable under QEMU (uses \$$XARCH, \$$TEST)" Most users will neither care about nor need XARCH and will wonder what to put there. Since there's a fallback on ARCH, better indicate something like: (uses $XARCH or $ARCH, and $TEST) Willy