Peter Maydell <peter.mayd...@linaro.org> writes:

> Currently if you try to ask for the list of CPUs for a target
> architecture which does not specify a default machine type
> you just get an error:
>
>   $ qemu-system-arm -cpu help
>   qemu-system-arm: No machine specified, and there is no default
>   Use -machine help to list supported machines
>
> Since the list of CPUs doesn't depend on the machine, this is
> unnecessarily unhelpful. "-device help" has a similar problem.
>
> Move the checks for "did the user ask for -cpu help or -device help"
> up so they precede the select_machine() call which checks that the
> user specified a valid machine type.
>
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
> ---
> This has been on-and-off irritating me for years, and it's
> embarrassing how simple the fix turns out to be...

Same here.  The patch works as advertized, thus:
Reviewed-by: Markus Armbruster <arm...@redhat.com>

Can you offer a completeness argument?  We call is_help_option() and
qemu_opt_has_help_opt() from quite a few places.


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