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[95.127.39.43]) by smtp.gmail.com with ESMTPSA id k21-20020a7bc415000000b003e206cc7237sm4096886wmi.24.2023.03.02.14.16.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Mar 2023 14:16:50 -0800 (PST) Message-ID: <733a61bc-0e41-a864-c7fa-f177b35afa25@linaro.org> Date: Thu, 2 Mar 2023 23:16:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v2 4/6] docs/about/deprecated: Deprecate the qemu-system-arm binary Content-Language: en-US To: Thomas Huth , qemu-devel@nongnu.org, Peter Maydell , Daniel Berrange , Paolo Bonzini Cc: Markus Armbruster , =?UTF-8?Q?Alex_Benn=c3=a9e?= , qemu-arm@nongnu.org, Maxim Levitsky , libvir-list@redhat.com, Richard Henderson , xen-devel@lists.xenproject.org, Reinoud Zandijk References: <20230302163106.465559-1-thuth@redhat.com> <20230302163106.465559-5-thuth@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <20230302163106.465559-5-thuth@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philmd@linaro.org; helo=mail-wr1-x42a.google.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.092, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 2/3/23 17:31, Thomas Huth wrote: > qemu-system-aarch64 is a proper superset of qemu-system-arm, > and the latter was mainly still required for 32-bit KVM support. > But this 32-bit KVM arm support has been dropped in the Linux > kernel a couple of years ago already, so we don't really need > qemu-system-arm anymore, thus deprecated it now. > > Signed-off-by: Thomas Huth > --- > docs/about/deprecated.rst | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst > index a30aa8dfdf..21ce70b5c9 100644 > --- a/docs/about/deprecated.rst > +++ b/docs/about/deprecated.rst > @@ -45,6 +45,16 @@ run 32-bit guests by selecting a 32-bit CPU model, including KVM support > on x86_64 hosts. Thus users are recommended to reconfigure their systems > to use the ``qemu-system-x86_64`` binary instead. > > +``qemu-system-arm`` binary (since 8.0) > +'''''''''''''''''''''''''''''''''''''' > + > +``qemu-system-aarch64`` is a proper superset of ``qemu-system-arm``. The > +latter was mainly a requirement for running KVM on 32-bit arm hosts, but > +this 32-bit KVM support has been removed some years ago already (see: s/some/few/? > +https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=541ad0150ca4 > +). Thus the QEMU project will drop the ``qemu-system-arm`` binary in a > +future release. Use ``qemu-system-aarch64`` instead. If we unify, wouldn't it be simpler to name the single qemu-system binary emulating various ARM architectures as 'qemu-system-arm'?