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docs/about/deprecated: Deprecate 32-bit arm hosts for system emulation

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For running QEMU in system emulation mode, the user needs a rather
strong host system, i.e. not only an embedded low-frequency controller.
All recent beefy arm host machines should support 64-bit now, it's
unlikely that anybody is still seriously using QEMU on a 32-bit arm
CPU, so we deprecate the 32-bit arm hosts here to finally save use
some time and precious CI minutes.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Message-Id: <20230306084658.29709-5-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2023-03-06 09:46:57 +01:00
parent 4f9a8315e6
commit 1d0a8eba38
1 changed files with 9 additions and 0 deletions
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docs/about/deprecated.rst
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@ -206,6 +206,15 @@ be an effective use of its limited resources, and thus intends to discontinue
it. Since all recent x86 hardware from the past >10 years is capable of the
64-bit x86 extensions, a corresponding 64-bit OS should be used instead.
System emulation on 32-bit arm hosts (since 8.0)
''''''''''''''''''''''''''''''''''''''''''''''''
Since QEMU needs a strong host machine for running full system emulation, and
all recent powerful arm hosts support 64-bit, the QEMU project deprecates the
support for running any system emulation on 32-bit arm hosts in general. Use
64-bit arm hosts for system emulation instead. (Note: "user" mode emulation
continues to be supported on 32-bit arm hosts, too)
QEMU API (QAPI) events
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