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accel: Remove HAX accelerator

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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 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.

The next commit (da1b8ec072)
added:

  HAXM v7.8.0 is our last release and we will not accept
  pull requests or respond to issues after this.

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.

[*] https://github.com/intel/haxm/releases/tag/v7.8.0

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230831082016.60885-1-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-06-24 00:52:29 +02:00
parent 17780edd81
commit b91b0fc163
34 changed files with 16 additions and 3149 deletions
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1
include/exec/poison.h
View file

@ -81,7 +81,6 @@
#pragma GCC poison CONFIG_SPARC_DIS
#pragma GCC poison CONFIG_XTENSA_DIS
#pragma GCC poison CONFIG_HAX
#pragma GCC poison CONFIG_HVF
#pragma GCC poison CONFIG_LINUX_USER
#pragma GCC poison CONFIG_KVM

2
include/hw/core/cpu.h
View file

@ -422,7 +422,7 @@ struct CPUState {
int32_t exception_index;
AccelCPUState *accel;
/* shared by kvm, hax and hvf */
/* shared by kvm and hvf */
bool vcpu_dirty;
/* Used to keep track of an outstanding cpu throttle thread for migration

49
include/sysemu/hax.h
View file

@ -1,49 +0,0 @@
/*
* QEMU HAXM support
*
* Copyright IBM, Corp. 2008
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* Copyright (c) 2011 Intel Corporation
* Written by:
* Jiang Yunhong<yunhong.jiang@intel.com>
* Xin Xiaohui<xiaohui.xin@intel.com>
* Zhang Xiantao<xiantao.zhang@intel.com>
*
* Copyright 2016 Google, Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
/* header to be included in non-HAX-specific code */
#ifndef QEMU_HAX_H
#define QEMU_HAX_H
int hax_sync_vcpus(void);
#ifdef NEED_CPU_H
# ifdef CONFIG_HAX
# define CONFIG_HAX_IS_POSSIBLE
# endif
#else /* !NEED_CPU_H */
# define CONFIG_HAX_IS_POSSIBLE
#endif
#ifdef CONFIG_HAX_IS_POSSIBLE
extern bool hax_allowed;
#define hax_enabled() (hax_allowed)
#else /* !CONFIG_HAX_IS_POSSIBLE */
#define hax_enabled() (0)
#endif /* CONFIG_HAX_IS_POSSIBLE */
#endif /* QEMU_HAX_H */

1
include/sysemu/hw_accel.h
View file

@ -12,7 +12,6 @@
#define QEMU_HW_ACCEL_H
#include "hw/core/cpu.h"
#include "sysemu/hax.h"
#include "sysemu/kvm.h"
#include "sysemu/hvf.h"
#include "sysemu/whpx.h"