From: Paolo Bonzini <pbonzini@redhat.com>
To: "Jianyong Wu (Arm Technology China)" <Jianyong.Wu@arm.com>,
Marc Zyngier <maz@kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"yangbo.lu@nxp.com" <yangbo.lu@nxp.com>,
"john.stultz@linaro.org" <john.stultz@linaro.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"sean.j.christopherson@intel.com"
<sean.j.christopherson@intel.com>,
"richardcochran@gmail.com" <richardcochran@gmail.com>,
Mark Rutland <Mark.Rutland@arm.com>,
Will Deacon <Will.Deacon@arm.com>,
Suzuki Poulose <Suzuki.Poulose@arm.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Steve Capper <Steve.Capper@arm.com>,
"Kaly Xin (Arm Technology China)" <Kaly.Xin@arm.com>,
"Justin He (Arm Technology China)" <Justin.He@arm.com>,
nd <nd@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH v3 4/6] psci: Add hvc call service for ptp_kvm.
Date: Wed, 9 Oct 2019 08:36:00 +0200 [thread overview]
Message-ID: <1cc145ca-1af2-d46f-d530-0ae434005f0b@redhat.com> (raw)
In-Reply-To: <HE1PR0801MB1676115C248E6DF09F9DD5A6F4950@HE1PR0801MB1676.eurprd08.prod.outlook.com>
On 09/10/19 07:21, Jianyong Wu (Arm Technology China) wrote:
> As ptp_kvm clock has fixed to arm arch system counter in patch set
> v4, we need check if the current clocksource is system counter when
> return clock cycle in host, so a helper needed to return the current
> clocksource. Could I add this helper in next patch set?
You don't need a helper. You need to return the ARM arch counter
clocksource in the struct system_counterval_t that you return.
get_device_system_crosststamp will then check that the clocksource
matches the active one.
Paolo
next prev parent reply other threads:[~2019-10-09 6:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-18 8:07 [RFC PATCH v3 0/6] Enable ptp_kvm for arm64 Jianyong Wu
2019-09-18 8:07 ` [RFC PATCH v3 1/6] psci: Export psci_ops.conduit symbol as modules will use it Jianyong Wu
2019-09-18 8:07 ` [RFC PATCH v3 2/6] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2019-09-18 8:07 ` [RFC PATCH v3 3/6] timekeeping: Expose API allowing retrival of current clocksource and counter value Jianyong Wu
2019-09-18 8:29 ` Paolo Bonzini
2019-09-18 8:07 ` [RFC PATCH v3 4/6] psci: Add hvc call service for ptp_kvm Jianyong Wu
2019-09-18 8:25 ` Paolo Bonzini
2019-09-18 9:57 ` Jianyong Wu (Arm Technology China)
2019-09-18 10:23 ` Paolo Bonzini
2019-09-19 9:46 ` Jianyong Wu (Arm Technology China)
2019-09-19 11:07 ` Paolo Bonzini
2019-09-19 11:39 ` Marc Zyngier
2019-09-19 12:13 ` Paolo Bonzini
2019-09-23 3:19 ` Jianyong Wu (Arm Technology China)
2019-10-09 5:21 ` Jianyong Wu (Arm Technology China)
2019-10-09 6:36 ` Paolo Bonzini [this message]
2019-10-09 8:18 ` Jianyong Wu (Arm Technology China)
2019-10-09 9:13 ` Paolo Bonzini
2019-10-09 16:05 ` John Stultz
2019-10-09 20:56 ` Paolo Bonzini
2019-10-14 5:50 ` Jianyong Wu (Arm Technology China)
2019-10-14 6:58 ` Paolo Bonzini
2019-09-23 4:57 ` Jianyong Wu (Arm Technology China)
2019-09-24 14:20 ` Paolo Bonzini
2019-09-25 10:27 ` Jianyong Wu (Arm Technology China)
2019-09-18 8:07 ` [RFC PATCH v3 5/6] ptp: arm64: Enable ptp_kvm for arm64 Jianyong Wu
2019-09-18 8:07 ` [RFC PATCH v3 6/6] kvm: arm64: Add capability check extension for ptp_kvm Jianyong Wu
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