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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id t7sm7023610pjq.15.2019.08.02.09.35.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 02 Aug 2019 09:35:51 -0700 (PDT) To: Andrew Jones , qemu-devel@nongnu.org, qemu-arm@nongnu.org References: <20190802122540.26385-1-drjones@redhat.com> <20190802122540.26385-8-drjones@redhat.com> From: Richard Henderson Openpgp: preference=signencrypt Message-ID: <045c61e9-ab5d-a068-dd54-441a6f864ea7@linaro.org> Date: Fri, 2 Aug 2019 09:35:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190802122540.26385-8-drjones@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 Subject: Re: [Qemu-devel] [PATCH v3 07/15] target/arm: Allow SVE to be disabled via a CPU property X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, armbru@redhat.com, eric.auger@redhat.com, imammedo@redhat.com, alex.bennee@linaro.org, Dave.Martin@arm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/2/19 5:25 AM, Andrew Jones wrote: > Since 97a28b0eeac14 ("target/arm: Allow VFP and Neon to be disabled via > a CPU property") we can disable the 'max' cpu model's VFP and neon > features, but there's no way to disable SVE. Add the 'sve=on|off' > property to give it that flexibility. We also rename > cpu_max_get/set_sve_vq to cpu_max_get/set_sve_max_vq in order for them > to follow the typical *_get/set_ pattern. > > Signed-off-by: Andrew Jones > --- > target/arm/cpu.c | 3 ++- > target/arm/cpu64.c | 42 ++++++++++++++++++++++++++++++++++------ > target/arm/monitor.c | 2 +- > tests/arm-cpu-features.c | 1 + > 4 files changed, 40 insertions(+), 8 deletions(-) Reviewed-by: Richard Henderson r~