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([2a00:1fa0:8df:57d9:c46b:3c97:5028:3a4f]) by smtp.gmail.com with ESMTPSA id q3sm341838ljq.4.2019.09.27.02.20.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 27 Sep 2019 02:20:36 -0700 (PDT) Subject: Re: [RFC PATCH v4 3/5] psci: Add hvc call service for ptp_kvm. To: Jianyong Wu , 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 References: <20190926114212.5322-1-jianyong.wu@arm.com> <20190926114212.5322-4-jianyong.wu@arm.com> From: Sergei Shtylyov Message-ID: <3586ca5b-7abb-12b2-2368-cbc09fe3777f@cogentembedded.com> Date: Fri, 27 Sep 2019 12:20:25 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20190926114212.5322-4-jianyong.wu@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190927_022038_736479_38C6E876 X-CRM114-Status: GOOD ( 13.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 > --- > 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel