Re: [PATCH v2 2/2] docs/about/deprecated.rst: document new restrictions for isapc CPU models

[Markus Armbruster <armbru@redhat.com>]

Mark Cave-Ayland <mark.caveayland@nutanix.com> writes:

> Add a new paragraph in the "Backwards compatibility" section documenting that
> the isapc machine is now restricted to 32-bit x86 CPUs, and -cpu host and
> -cpu max are no longer supported.
>
> Signed-off-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
> ---
>  docs/about/deprecated.rst | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
> index aa300bbd50..4c7000650d 100644
> --- a/docs/about/deprecated.rst
> +++ b/docs/about/deprecated.rst
> @@ -514,6 +514,19 @@ available firmwares that are using the current (wrong) name.  The
>  property is kept as is in 9.1, together with "riscv,delegation", to
>  give more time for firmware developers to change their code.
>  
> +x86 "isapc" board restricted to 32-bit x86 CPUs (since 10.2)
> +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
> +
> +The "isapc" board represents a historical x86 ISA PC and is intended for
> +older 32-bit x86 CPU models, defaulting to a 486 CPU model.  Previously it
> +was possible (but non-sensical) to specify a more modern x86 CPU, including
> +``-cpu host`` or ``-cpu max`` even if the features were incompatible with many
> +of the intended guest OSs.
> +
> +Now the "isapc" board contains an explicit list of supported 32-bit x86 CPU
> +models. If the user requests an unsupported CPU model then an error message is
> +returned indicating the available CPU models.
> +
>  Migration
>  ---------

I couldn't see how this corresponds to PATCH 1 until I realized it
documents recent commit e1e2909f8e7 modified by PATCH 1.

A hint in the commit message could've saved me a few minutes :)

Reviewed-by: Markus Armbruster <armbru@redhat.com>