From: Richard Henderson <richard.henderson@linaro.org>
To: Andrew Jones <drjones@redhat.com>,
qemu-devel@nongnu.org, qemu-arm@nongnu.org
Cc: peter.maydell@linaro.org, armbru@redhat.com,
eric.auger@redhat.com, imammedo@redhat.com,
alex.bennee@linaro.org, Dave.Martin@arm.com
Subject: Re: [Qemu-devel] [PATCH v3 07/15] target/arm: Allow SVE to be disabled via a CPU property
Date: Fri, 2 Aug 2019 09:35:48 -0700 [thread overview]
Message-ID: <045c61e9-ab5d-a068-dd54-441a6f864ea7@linaro.org> (raw)
In-Reply-To: <20190802122540.26385-8-drjones@redhat.com>
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_<property-name> pattern.
>
> Signed-off-by: Andrew Jones <drjones@redhat.com>
> ---
> 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 <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2019-08-02 16:36 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-02 12:25 [Qemu-devel] [PATCH v3 00/15] target/arm/kvm: enable SVE in guests Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 01/15] target/arm/cpu64: Ensure kvm really supports aarch64=off Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 02/15] target/arm/cpu: Ensure we can use the pmu with kvm Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 03/15] target/arm/monitor: Introduce qmp_query_cpu_model_expansion Andrew Jones
2019-08-02 16:27 ` Richard Henderson
2019-08-03 1:28 ` Richard Henderson
2019-08-06 12:21 ` Andrew Jones
2019-08-07 15:22 ` Richard Henderson
2019-08-08 8:50 ` Andrew Jones
2019-08-08 18:37 ` Richard Henderson
2019-08-09 16:09 ` Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 04/15] tests: arm: Introduce cpu feature tests Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 05/15] target/arm/helper: zcr: Add build bug next to value range assumption Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 06/15] target/arm/cpu: Use div-round-up to determine predicate register array size Andrew Jones
2019-08-02 16:33 ` Richard Henderson
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 07/15] target/arm: Allow SVE to be disabled via a CPU property Andrew Jones
2019-08-02 16:35 ` Richard Henderson [this message]
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 08/15] target/arm/cpu64: max cpu: Introduce sve<vl-bits> properties Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 09/15] target/arm/kvm64: Fix error returns Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 10/15] target/arm/kvm64: Move the get/put of fpsimd registers out Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 11/15] target/arm/kvm64: Add kvm_arch_get/put_sve Andrew Jones
2019-08-02 18:07 ` Richard Henderson
2019-08-06 12:24 ` Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 12/15] target/arm/kvm64: max cpu: Enable SVE when available Andrew Jones
2019-08-02 18:20 ` Richard Henderson
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 13/15] target/arm/kvm: scratch vcpu: Preserve input kvm_vcpu_init features Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 14/15] target/arm/cpu64: max cpu: Support sve properties with KVM Andrew Jones
2019-08-02 12:25 ` [Qemu-devel] [PATCH v3 15/15] target/arm/kvm: host cpu: Add support for sve<vl-bits> properties Andrew Jones
2019-08-10 1:31 ` [Qemu-devel] [PATCH] HACK: Centralize sve property checks Richard Henderson
2019-09-04 8:32 ` Andrew Jones
2019-09-04 17:17 ` Richard Henderson
2019-09-04 17:18 ` Richard Henderson
2019-08-15 8:31 ` [Qemu-devel] [PATCH v3 00/15] target/arm/kvm: enable SVE in guests Peter Maydell
2019-08-15 8:45 ` Andrew Jones
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