linux-kernel - RE: [PATCH v5 5/6] ptp: arm64: Enable ptp

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Message-ID: <HE1PR0801MB1676412E33493247F7C37C6CF4920@HE1PR0801MB1676.eurprd08.prod.outlook.com>
Date:   Wed, 16 Oct 2019 10:11:25 +0000
From:   "Jianyong Wu (Arm Technology China)" <Jianyong.Wu@....com>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "yangbo.lu@....com" <yangbo.lu@....com>,
        "john.stultz@...aro.org" <john.stultz@...aro.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "sean.j.christopherson@...el.com" <sean.j.christopherson@...el.com>,
        "maz@...nel.org" <maz@...nel.org>,
        "richardcochran@...il.com" <richardcochran@...il.com>,
        Mark Rutland <Mark.Rutland@....com>,
        "will@...nel.org" <will@...nel.org>,
        Suzuki Poulose <Suzuki.Poulose@....com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        Steve Capper <Steve.Capper@....com>,
        "Kaly Xin (Arm Technology China)" <Kaly.Xin@....com>,
        "Justin He (Arm Technology China)" <Justin.He@....com>,
        nd <nd@....com>
Subject: RE: [PATCH v5 5/6] ptp: arm64: Enable ptp_kvm for arm64

Hi Paolo,

> -----Original Message-----
> From: Paolo Bonzini <pbonzini@...hat.com>
> Sent: Wednesday, October 16, 2019 3:14 PM
> To: Jianyong Wu (Arm Technology China) <Jianyong.Wu@....com>;
> netdev@...r.kernel.org; yangbo.lu@....com; john.stultz@...aro.org;
> tglx@...utronix.de; sean.j.christopherson@...el.com; maz@...nel.org;
> richardcochran@...il.com; Mark Rutland <Mark.Rutland@....com>;
> will@...nel.org; Suzuki Poulose <Suzuki.Poulose@....com>
> Cc: linux-kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> kvmarm@...ts.cs.columbia.edu; kvm@...r.kernel.org; Steve Capper
> <Steve.Capper@....com>; Kaly Xin (Arm Technology China)
> <Kaly.Xin@....com>; Justin He (Arm Technology China)
> <Justin.He@....com>; nd <nd@....com>
> Subject: Re: [PATCH v5 5/6] ptp: arm64: Enable ptp_kvm for arm64
> 
> On 16/10/19 09:10, Paolo Bonzini wrote:
> > On 16/10/19 05:52, Jianyong Wu (Arm Technology China) wrote:
> >> This func used only by kvm_arch_ptp_get_clock and nothing to do with
> >> kvm_arch_ptp_get_clock_fn. Also it can be merged into
> >> kvm_arch_ptp_get_clock.
> >>
> >
> > Your patches also have no user for kvm_arch_ptp_get_clock, so you can
> > remove it.
> 
> Nevermind.  I misread patch 2.  However, to remove the confusion, can you
> rename kvm_arch_ptp_get_clock_fn to kvm_arch_ptp_get_crosststamp?
> 

the suffix of this function name is reserved from its arch-independent caller ptp_kvm_get_time_fn, so if I change this function name
It will be better change them whole. I think "ptp_get_crosststamp" is a better suffix.

Thanks
Jianyong 

> Paolo