From: Richard Cochran <richardcochran@gmail.com>
To: Jianyong Wu <Jianyong.Wu@arm.com>
Cc: "maz@kernel.org" <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>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"sean.j.christopherson@intel.com"
<sean.j.christopherson@intel.com>,
Mark Rutland <Mark.Rutland@arm.com>,
"will@kernel.org" <will@kernel.org>,
Suzuki Poulose <Suzuki.Poulose@arm.com>,
Steven Price <Steven.Price@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Steve Capper <Steve.Capper@arm.com>, Kaly Xin <Kaly.Xin@arm.com>,
Justin He <Justin.He@arm.com>, Wei Chen <Wei.Chen@arm.com>,
nd <nd@arm.com>
Subject: Re: [RFC PATCH v12 10/11] arm64: add mechanism to let user choose which counter to return
Date: Sun, 24 May 2020 23:16:22 -0700 [thread overview]
Message-ID: <20200525061622.GA13679@localhost> (raw)
In-Reply-To: <HE1PR0802MB25552E7C792D3BB9CBE2D2C7F4B30@HE1PR0802MB2555.eurprd08.prod.outlook.com>
On Mon, May 25, 2020 at 04:50:28AM +0000, Jianyong Wu wrote:
> How about adding an extra argument in struct ptp_clock_info to serve as a flag, then we can control this flag using IOCTL to determine the counter type.
no, No, NO!
> > From your description, this "flag" really should be a module parameter.
> Maybe use flag as a module parameter is a better way.
Yes.
Thanks,
Richard
WARNING: multiple messages have this Message-ID (diff)
From: Richard Cochran <richardcochran@gmail.com>
To: Jianyong Wu <Jianyong.Wu@arm.com>
Cc: Justin He <Justin.He@arm.com>, Wei Chen <Wei.Chen@arm.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"maz@kernel.org" <maz@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"sean.j.christopherson@intel.com"
<sean.j.christopherson@intel.com>,
Steven Price <Steven.Price@arm.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"john.stultz@linaro.org" <john.stultz@linaro.org>,
"yangbo.lu@nxp.com" <yangbo.lu@nxp.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"tglx@linutronix.de" <tglx@linutronix.de>, nd <nd@arm.com>,
"will@kernel.org" <will@kernel.org>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH v12 10/11] arm64: add mechanism to let user choose which counter to return
Date: Sun, 24 May 2020 23:16:22 -0700 [thread overview]
Message-ID: <20200525061622.GA13679@localhost> (raw)
In-Reply-To: <HE1PR0802MB25552E7C792D3BB9CBE2D2C7F4B30@HE1PR0802MB2555.eurprd08.prod.outlook.com>
On Mon, May 25, 2020 at 04:50:28AM +0000, Jianyong Wu wrote:
> How about adding an extra argument in struct ptp_clock_info to serve as a flag, then we can control this flag using IOCTL to determine the counter type.
no, No, NO!
> > From your description, this "flag" really should be a module parameter.
> Maybe use flag as a module parameter is a better way.
Yes.
Thanks,
Richard
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: Richard Cochran <richardcochran@gmail.com>
To: Jianyong Wu <Jianyong.Wu@arm.com>
Cc: Mark Rutland <Mark.Rutland@arm.com>,
Justin He <Justin.He@arm.com>, Wei Chen <Wei.Chen@arm.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Suzuki Poulose <Suzuki.Poulose@arm.com>,
"maz@kernel.org" <maz@kernel.org>,
Steve Capper <Steve.Capper@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"sean.j.christopherson@intel.com"
<sean.j.christopherson@intel.com>,
Steven Price <Steven.Price@arm.com>, Kaly Xin <Kaly.Xin@arm.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"john.stultz@linaro.org" <john.stultz@linaro.org>,
"yangbo.lu@nxp.com" <yangbo.lu@nxp.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"tglx@linutronix.de" <tglx@linutronix.de>, nd <nd@arm.com>,
"will@kernel.org" <will@kernel.org>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH v12 10/11] arm64: add mechanism to let user choose which counter to return
Date: Sun, 24 May 2020 23:16:22 -0700 [thread overview]
Message-ID: <20200525061622.GA13679@localhost> (raw)
In-Reply-To: <HE1PR0802MB25552E7C792D3BB9CBE2D2C7F4B30@HE1PR0802MB2555.eurprd08.prod.outlook.com>
On Mon, May 25, 2020 at 04:50:28AM +0000, Jianyong Wu wrote:
> How about adding an extra argument in struct ptp_clock_info to serve as a flag, then we can control this flag using IOCTL to determine the counter type.
no, No, NO!
> > From your description, this "flag" really should be a module parameter.
> Maybe use flag as a module parameter is a better way.
Yes.
Thanks,
Richard
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-05-25 6:16 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 8:37 [RFC PATCH v12 0/11] Enable ptp_kvm for arm64 Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 01/11] arm64: Probe for the presence of KVM hypervisor services during boot Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 02/11] arm/arm64: KVM: Advertise KVM UID to guests via SMCCC Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 03/11] psci: export smccc conduit get helper Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 13:12 ` Sudeep Holla
2020-05-22 13:12 ` Sudeep Holla
2020-05-22 13:12 ` Sudeep Holla
2020-05-25 1:37 ` Jianyong Wu
2020-05-25 1:37 ` Jianyong Wu
2020-05-25 1:37 ` Jianyong Wu
2020-05-26 10:10 ` Sudeep Holla
2020-05-26 10:10 ` Sudeep Holla
2020-05-26 10:10 ` Sudeep Holla
2020-05-27 1:18 ` Jianyong Wu
2020-05-27 1:18 ` Jianyong Wu
2020-05-27 1:18 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 04/11] ptp: Reorganize ptp_kvm modules to make it arch-independent Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 05/11] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-23 3:35 ` kbuild test robot
2020-05-28 16:36 ` Thomas Gleixner
2020-05-28 16:36 ` Thomas Gleixner
2020-05-28 16:36 ` Thomas Gleixner
2020-05-29 1:05 ` Jianyong Wu
2020-05-29 1:05 ` Jianyong Wu
2020-05-29 1:05 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 06/11] clocksource: Add clocksource id for arm arch counter Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 07/11] psci: Add hypercall service for kvm ptp Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 14:18 ` Steven Price
2020-05-22 14:18 ` Steven Price
2020-05-22 14:18 ` Steven Price
2020-05-25 2:11 ` Jianyong Wu
2020-05-25 2:11 ` Jianyong Wu
2020-05-25 2:11 ` Jianyong Wu
2020-05-26 11:02 ` Steven Price
2020-05-26 11:02 ` Steven Price
2020-05-26 11:02 ` Steven Price
2020-05-27 6:06 ` Jianyong Wu
2020-05-27 6:06 ` Jianyong Wu
2020-05-27 6:06 ` Jianyong Wu
2020-05-22 8:37 ` [RFC PATCH v12 08/11] ptp: arm64: Enable ptp_kvm for arm/arm64 Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-26 14:24 ` kbuild test robot
2020-05-22 8:37 ` [RFC PATCH v12 09/11] ptp: extend input argument for getcrosstimestamp API Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-24 1:42 ` Richard Cochran
2020-05-24 1:42 ` Richard Cochran
2020-05-24 1:42 ` Richard Cochran
2020-05-22 8:37 ` [RFC PATCH v12 10/11] arm64: add mechanism to let user choose which counter to return Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-24 1:47 ` Richard Cochran
2020-05-24 1:47 ` Richard Cochran
2020-05-24 1:47 ` Richard Cochran
2020-05-24 2:11 ` Richard Cochran
2020-05-24 2:11 ` Richard Cochran
2020-05-24 2:11 ` Richard Cochran
2020-05-25 4:50 ` Jianyong Wu
2020-05-25 4:50 ` Jianyong Wu
2020-05-25 4:50 ` Jianyong Wu
2020-05-25 6:16 ` Richard Cochran [this message]
2020-05-25 6:16 ` Richard Cochran
2020-05-25 6:16 ` Richard Cochran
2020-05-25 6:29 ` Jianyong Wu
2020-05-25 6:29 ` Jianyong Wu
2020-05-25 6:29 ` Jianyong Wu
2020-05-25 9:17 ` Marc Zyngier
2020-05-25 9:17 ` Marc Zyngier
2020-05-25 9:17 ` Marc Zyngier
2020-05-25 14:18 ` Jianyong Wu
2020-05-25 14:18 ` Jianyong Wu
2020-05-25 14:18 ` Jianyong Wu
2020-05-25 15:28 ` Marc Zyngier
2020-05-25 15:28 ` Marc Zyngier
2020-05-25 15:28 ` Marc Zyngier
2020-05-22 8:37 ` [RFC PATCH v12 11/11] arm64: Add kvm capability check extension for ptp_kvm Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
2020-05-22 8:37 ` Jianyong Wu
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