netdev - RE: [RFC PATCH v4 2/5] ptp: Reorganize ptp_kvm modules to make it arch-independent.

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Date:   Fri, 27 Sep 2019 10:10:10 +0000
From:   "Jianyong Wu (Arm Technology China)" <Jianyong.Wu@....com>
To:     Suzuki Poulose <Suzuki.Poulose@....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>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "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 Deacon <Will.Deacon@....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: [RFC PATCH v4 2/5] ptp: Reorganize ptp_kvm modules to make it
 arch-independent.

Hi Suzuki,

> -----Original Message-----
> From: Suzuki K Poulose <suzuki.poulose@....com>
> Sent: Thursday, September 26, 2019 9:06 PM
> To: Jianyong Wu (Arm Technology China) <Jianyong.Wu@....com>;
> netdev@...r.kernel.org; yangbo.lu@....com; john.stultz@...aro.org;
> tglx@...utronix.de; pbonzini@...hat.com; sean.j.christopherson@...el.com;
> maz@...nel.org; richardcochran@...il.com; Mark Rutland
> <Mark.Rutland@....com>; Will Deacon <Will.Deacon@....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: [RFC PATCH v4 2/5] ptp: Reorganize ptp_kvm modules to make it
> arch-independent.
> 
> Hi Jianyong,
> 
> On 26/09/2019 12:42, Jianyong Wu wrote:
> > Currently, ptp_kvm modules implementation is only for x86 which
> > includs large part of arch-specific code.  This patch move all of
> > those code into new arch related file in the same directory.
> >
> > Signed-off-by: Jianyong Wu <jianyong.wu@....com>
> > ---
> >   drivers/ptp/Makefile                 |  1 +
> >   drivers/ptp/{ptp_kvm.c => kvm_ptp.c} | 77 ++++++------------------
> >   drivers/ptp/ptp_kvm_x86.c            | 87
> ++++++++++++++++++++++++++++
> >   include/asm-generic/ptp_kvm.h        | 12 ++++
> >   4 files changed, 118 insertions(+), 59 deletions(-)
> >   rename drivers/ptp/{ptp_kvm.c => kvm_ptp.c} (63%)
> 
> minor nit: Could we not skip renaming the file ? Given you are following the
> ptp_kvm_* for the arch specific files and the header files, wouldn't it be
> good to keep ptp_kvm.c ?
> 
If the module name ptp_kvm.ko is the same with its dependent object file ptp_kvm.o, warning will be given by compiler, 
So I change the ptp_kvm.c to kvm_ptp.c to avoid that conflict.

Thanks
Jianyong Wu

> Rest looks fine.
> 
> Cheers
> Suzuki