[RFC PATCH-for-8.1] accel: Remove HAX accelerator

[Richard Henderson]

On 6/24/23 01:08, Philippe Mathieu-Daudé wrote:
> HAX is deprecated since commits 73741fda6c ("MAINTAINERS: Abort
> HAXM maintenance") and 90c167a1da ("docs/about/deprecated: Mark
> HAXM in QEMU as deprecated"), released in v8.0.0.
> 
> Per the QEMU deprecation policy, we shouldn't remove it before
> QEMU release v8.2.0. However per the latest HAXM release (v7.8),
> the latest QEMU supported is v7.2:
> 
>    Note: Up to this release, HAXM supports QEMU from 2.9.0 to 7.2.0.
> 
> (https://github.com/intel/haxm/releases/tag/v7.8.0)
> 
> The next commit (https://github.com/intel/haxm/commit/da1b8ec072)
> added:
> 
>    HAXM v7.8.0 is our last release and we will not accept
>    pull requests or respond to issues after this.
> 
> As of commit b455ce4c2f, it became very hard to build and test
> HAXM. Its previous maintainers made it clear they won't help.
> It doesn't seem to be a very good use of QEMU maintainers to
> spend their time in a dead project. Save our time by removing
> this orphan zombie code before the QEMU v8.2 release.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd at linaro.org>
> ---
>   MAINTAINERS                                   |    8 -
>   docs/about/build-platforms.rst                |    2 +-
>   docs/about/deprecated.rst                     |    6 -
>   docs/about/removed-features.rst               |    9 +-
>   docs/system/introduction.rst                  |    3 -
>   meson.build                                   |    7 -
>   include/exec/poison.h                         |    1 -
>   include/hw/core/cpu.h                         |    2 +-
>   include/sysemu/hax.h                          |   49 -
>   include/sysemu/hw_accel.h                     |    1 -
>   target/i386/hax/hax-accel-ops.h               |   31 -
>   target/i386/hax/hax-i386.h                    |   98 --
>   target/i386/hax/hax-interface.h               |  369 ------
>   target/i386/hax/hax-posix.h                   |   61 -
>   target/i386/hax/hax-windows.h                 |   88 --
>   accel/stubs/hax-stub.c                        |   24 -
>   hw/intc/apic_common.c                         |    3 +-
>   softmmu/cpus.c                                |    6 -
>   softmmu/vl.c                                  |    6 -
>   target/i386/hax/hax-accel-ops.c               |  105 --
>   target/i386/hax/hax-all.c                     | 1141 -----------------
>   target/i386/hax/hax-mem.c                     |  323 -----
>   target/i386/hax/hax-posix.c                   |  305 -----
>   target/i386/hax/hax-windows.c                 |  485 -------
>   accel/stubs/meson.build                       |    1 -
>   meson_options.txt                             |    2 -
>   qemu-options.hx                               |    8 +-
>   .../ci/org.centos/stream/8/x86_64/configure   |    1 -
>   scripts/meson-buildoptions.sh                 |    3 -
>   target/i386/hax/meson.build                   |    7 -
>   target/i386/meson.build                       |    1 -
>   31 files changed, 13 insertions(+), 3143 deletions(-)
>   delete mode 100644 include/sysemu/hax.h
>   delete mode 100644 target/i386/hax/hax-accel-ops.h
>   delete mode 100644 target/i386/hax/hax-i386.h
>   delete mode 100644 target/i386/hax/hax-interface.h
>   delete mode 100644 target/i386/hax/hax-posix.h
>   delete mode 100644 target/i386/hax/hax-windows.h
>   delete mode 100644 accel/stubs/hax-stub.c
>   delete mode 100644 target/i386/hax/hax-accel-ops.c
>   delete mode 100644 target/i386/hax/hax-all.c
>   delete mode 100644 target/i386/hax/hax-mem.c
>   delete mode 100644 target/i386/hax/hax-posix.c
>   delete mode 100644 target/i386/hax/hax-windows.c
>   delete mode 100644 target/i386/hax/meson.build


Reviewed-by: Richard Henderson <richard.henderson at linaro.org>


r~