From: Andrea Bolognani <abologna@redhat.com>
To: Wei Huang <wei@redhat.com>, qemu-arm@nongnu.org
Cc: peter.maydell@linaro.org, drjones@redhat.com,
qemu-devel@nongnu.org, shannon.zhao@linaro.org
Subject: Re: [Qemu-arm] [PATCH V6 1/2] arm64: Add an option to turn on/off vPMU support
Date: Thu, 06 Oct 2016 19:43:40 +0200 [thread overview]
Message-ID: <1475775820.3533.75.camel@redhat.com> (raw)
In-Reply-To: <1475617134-28180-2-git-send-email-wei@redhat.com>
On Tue, 2016-10-04 at 17:38 -0400, Wei Huang wrote:
> This patch adds a pmu=[on/off] option to enable/disable vPMU support
> in guest vCPU. This option is only available for cortex-a57/cortex-53/
> host under both TCG and KVM modes, but unavailable on ARMv7 and other
> processors. It allows virt tools, such as libvirt, to determine the
> exsitence of vPMU and configure it. Note that, if nothing specified,
> the pmu option is set to AUTO as default, allowing machine-level PMU
> property to override it. Also when pmu is turned on under non-KVM mode,
> a warning message will be printed.
>
> Signed-off-by: Wei Huang <wei@redhat.com>
> ---
> hw/arm/virt-acpi-build.c | 2 +-
> hw/arm/virt.c | 2 +-
> target-arm/cpu.c | 23 +++++++++++++++++++++++
> target-arm/cpu.h | 3 ++-
> target-arm/cpu64.c | 2 ++
> target-arm/kvm64.c | 17 ++++++++++++++---
> 6 files changed, 43 insertions(+), 6 deletions(-)
On both Moonshot and ThunderX,
Tested-by: Andrea Bolognani <abologna@redhat.com>
--
Andrea Bolognani / Red Hat / Virtualization
WARNING: multiple messages have this Message-ID (diff)
From: Andrea Bolognani <abologna@redhat.com>
To: Wei Huang <wei@redhat.com>, qemu-arm@nongnu.org
Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org,
drjones@redhat.com, shannon.zhao@linaro.org
Subject: Re: [Qemu-devel] [PATCH V6 1/2] arm64: Add an option to turn on/off vPMU support
Date: Thu, 06 Oct 2016 19:43:40 +0200 [thread overview]
Message-ID: <1475775820.3533.75.camel@redhat.com> (raw)
In-Reply-To: <1475617134-28180-2-git-send-email-wei@redhat.com>
On Tue, 2016-10-04 at 17:38 -0400, Wei Huang wrote:
> This patch adds a pmu=[on/off] option to enable/disable vPMU support
> in guest vCPU. This option is only available for cortex-a57/cortex-53/
> host under both TCG and KVM modes, but unavailable on ARMv7 and other
> processors. It allows virt tools, such as libvirt, to determine the
> exsitence of vPMU and configure it. Note that, if nothing specified,
> the pmu option is set to AUTO as default, allowing machine-level PMU
> property to override it. Also when pmu is turned on under non-KVM mode,
> a warning message will be printed.
>
> Signed-off-by: Wei Huang <wei@redhat.com>
> ---
> hw/arm/virt-acpi-build.c | 2 +-
> hw/arm/virt.c | 2 +-
> target-arm/cpu.c | 23 +++++++++++++++++++++++
> target-arm/cpu.h | 3 ++-
> target-arm/cpu64.c | 2 ++
> target-arm/kvm64.c | 17 ++++++++++++++---
> 6 files changed, 43 insertions(+), 6 deletions(-)
On both Moonshot and ThunderX,
Tested-by: Andrea Bolognani <abologna@redhat.com>
--
Andrea Bolognani / Red Hat / Virtualization
next prev parent reply other threads:[~2016-10-06 17:43 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-04 21:38 [Qemu-arm] [PATCH V6 0/2] Add option to configure guest vPMU Wei Huang
2016-10-04 21:38 ` [Qemu-devel] " Wei Huang
2016-10-04 21:38 ` [Qemu-arm] [PATCH V6 1/2] arm64: Add an option to turn on/off vPMU support Wei Huang
2016-10-04 21:38 ` [Qemu-devel] " Wei Huang
2016-10-05 7:10 ` [Qemu-arm] " Andrew Jones
2016-10-05 7:10 ` Andrew Jones
2016-10-06 17:43 ` Andrea Bolognani [this message]
2016-10-06 17:43 ` Andrea Bolognani
2016-10-04 21:38 ` [Qemu-arm] [PATCH V6 2/2] arm: virt: add PMU property to mach-virt machine type Wei Huang
2016-10-04 21:38 ` [Qemu-devel] " Wei Huang
2016-10-05 7:15 ` [Qemu-arm] " Andrew Jones
2016-10-05 7:15 ` Andrew Jones
2016-10-06 17:44 ` [Qemu-arm] " Andrea Bolognani
2016-10-06 17:44 ` [Qemu-devel] " Andrea Bolognani
2016-10-04 21:53 ` [Qemu-arm] [PATCH V6 0/2] Add option to configure guest vPMU Wei Huang
2016-10-04 21:53 ` [Qemu-devel] " Wei Huang
2016-10-13 16:19 ` [Qemu-devel] " Peter Maydell
2016-10-13 16:19 ` Peter Maydell
2016-10-14 7:48 ` [Qemu-arm] " Andrew Jones
2016-10-14 7:48 ` Andrew Jones
2016-10-18 17:16 ` [Qemu-arm] " Andrew Jones
2016-10-18 17:16 ` Andrew Jones
2016-10-18 17:22 ` [Qemu-arm] " Peter Maydell
2016-10-18 17:22 ` Peter Maydell
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