From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Jianyong Wu <jianyong.wu@arm.com>,
netdev@vger.kernel.org, yangbo.lu@nxp.com,
john.stultz@linaro.org, tglx@linutronix.de, pbonzini@redhat.com,
sean.j.christopherson@intel.com, maz@kernel.org,
richardcochran@gmail.com, Mark.Rutland@arm.com,
Will.Deacon@arm.com, suzuki.poulose@arm.com
Cc: justin.he@arm.com, kvm@vger.kernel.org, Steve.Capper@arm.com,
linux-kernel@vger.kernel.org, Kaly.Xin@arm.com, nd@arm.com,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH v4 3/5] psci: Add hvc call service for ptp_kvm.
Date: Fri, 27 Sep 2019 12:20:25 +0300 [thread overview]
Message-ID: <3586ca5b-7abb-12b2-2368-cbc09fe3777f@cogentembedded.com> (raw)
In-Reply-To: <20190926114212.5322-4-jianyong.wu@arm.com>
Hello!
On 26.09.2019 14:42, Jianyong Wu wrote:
> This patch is the base of ptp_kvm for arm64.
> ptp_kvm modules will call hvc to get this service.
> The service offers real time and counter cycle of host for guest.
>
> Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
> ---
> include/linux/arm-smccc.h | 12 ++++++++++++
> virt/kvm/arm/psci.c | 18 ++++++++++++++++++
> 2 files changed, 30 insertions(+)
[...]
> diff --git a/virt/kvm/arm/psci.c b/virt/kvm/arm/psci.c
> index 0debf49bf259..3f30fc42a5ca 100644
> --- a/virt/kvm/arm/psci.c
> +++ b/virt/kvm/arm/psci.c
[...]
> @@ -431,6 +433,22 @@ int kvm_hvc_call_handler(struct kvm_vcpu *vcpu)
> case ARM_SMCCC_VENDOR_HYP_KVM_FEATURES_FUNC_ID:
> val[0] = BIT(ARM_SMCCC_KVM_FUNC_FEATURES);
> break;
> + /*
> + * This will used for virtual ptp kvm clock. three
^ be? ^ T
[...]
MBR, Sergei
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next prev parent reply other threads:[~2019-09-27 9:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-26 11:42 [RFC PATCH v4 0/6] Enable ptp_kvm for arm64 Jianyong Wu
2019-09-26 11:42 ` [RFC PATCH v4 1/5] psci: Export psci_ops.conduit symbol as modules will use it Jianyong Wu
2019-09-26 11:42 ` [RFC PATCH v4 2/5] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2019-09-26 13:06 ` Suzuki K Poulose
2019-09-27 10:10 ` Jianyong Wu (Arm Technology China)
2019-09-27 10:12 ` Suzuki K Poulose
2019-09-27 10:14 ` Jianyong Wu (Arm Technology China)
2019-09-27 10:23 ` Suzuki K Poulose
2019-09-27 10:35 ` Jianyong Wu (Arm Technology China)
2019-09-26 11:42 ` [RFC PATCH v4 3/5] psci: Add hvc call service for ptp_kvm Jianyong Wu
2019-09-27 9:20 ` Sergei Shtylyov [this message]
2019-09-26 11:42 ` [RFC PATCH v4 4/5] ptp: arm64: Enable ptp_kvm for arm64 Jianyong Wu
2019-09-26 11:42 ` [RFC PATCH v4 5/5] kvm: arm64: Add capability check extension for ptp_kvm Jianyong Wu
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