Re: [PATCH-for-9.1] target/riscv: Remove the deprecated 'any' CPU type

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 24/7/24 15:07, Philippe Mathieu-Daudé wrote:
> The 'any' CPU is deprecated since commit f57d5f8004b
> ("target/riscv: deprecate the 'any' CPU type"). Users
> are better off using the default CPUs or the 'max' CPU.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   docs/about/deprecated.rst       | 13 -------------
>   docs/about/removed-features.rst |  8 ++++++++
>   target/riscv/cpu-qom.h          |  1 -
>   target/riscv/cpu.c              | 28 ----------------------------
>   4 files changed, 8 insertions(+), 42 deletions(-)
> 
> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
> index 88f0f037865..0ac49b15b44 100644
> --- a/docs/about/deprecated.rst
> +++ b/docs/about/deprecated.rst
> @@ -347,19 +347,6 @@ QEMU's ``vhost`` feature, which would eliminate the high latency costs under
>   which the 9p ``proxy`` backend currently suffers. However as of to date nobody
>   has indicated plans for such kind of reimplementation unfortunately.
>   
> -RISC-V 'any' CPU type ``-cpu any`` (since 8.2)
> -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> -
> -The 'any' CPU type was introduced back in 2018 and has been around since the
> -initial RISC-V QEMU port. Its usage has always been unclear: users don't know
> -what to expect from a CPU called 'any', and in fact the CPU does not do anything
> -special that isn't already done by the default CPUs rv32/rv64.
> -
> -After the introduction of the 'max' CPU type, RISC-V now has a good coverage
> -of generic CPUs: rv32 and rv64 as default CPUs and 'max' as a feature complete
> -CPU for both 32 and 64 bit builds. Users are then discouraged to use the 'any'
> -CPU type starting in 8.2.
> -
>   RISC-V CPU properties which start with capital 'Z' (since 8.2)
>   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>   
> diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
> index fc7b28e6373..f3e9474a73e 100644
> --- a/docs/about/removed-features.rst
> +++ b/docs/about/removed-features.rst
> @@ -850,6 +850,14 @@ The RISC-V no MMU cpus have been removed. The two CPUs: ``rv32imacu-nommu`` and
>   ``rv64imacu-nommu`` can no longer be used. Instead the MMU status can be specified
>   via the CPU ``mmu`` option when using the ``rv32`` or ``rv64`` CPUs.
>   
> +RISC-V 'any' CPU type ``-cpu any`` (removed in 9.1)
> +'''''''''''''''''''''''''''''''''''''''''''''''''''

My bad, this will be 9.2.

> +
> +The 'any' CPU type was introduced back in 2018 and was around since the
> +initial RISC-V QEMU port. Its usage was always been unclear: users don't know
> +what to expect from a CPU called 'any', and in fact the CPU does not do anything
> +special that isn't already done by the default CPUs rv32/rv64.