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

From: Jianyong Wu (Arm Technology China)
Date: Fri Sep 27 2019 - 06:14:44 EST


Hi Suzuki,

> -----Original Message-----
> From: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> Sent: Friday, September 27, 2019 6:12 PM
> To: Jianyong Wu (Arm Technology China) <Jianyong.Wu@xxxxxxx>;
> netdev@xxxxxxxxxxxxxxx; yangbo.lu@xxxxxxx; john.stultz@xxxxxxxxxx;
> tglx@xxxxxxxxxxxxx; pbonzini@xxxxxxxxxx; sean.j.christopherson@xxxxxxxxx;
> maz@xxxxxxxxxx; richardcochran@xxxxxxxxx; Mark Rutland
> <Mark.Rutland@xxxxxxx>; Will Deacon <Will.Deacon@xxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> kvmarm@xxxxxxxxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; Steve Capper
> <Steve.Capper@xxxxxxx>; Kaly Xin (Arm Technology China)
> <Kaly.Xin@xxxxxxx>; Justin He (Arm Technology China)
> <Justin.He@xxxxxxx>; nd <nd@xxxxxxx>
> Subject: Re: [RFC PATCH v4 2/5] ptp: Reorganize ptp_kvm modules to make it
> arch-independent.
>
>
>
> On 27/09/2019 11:10, Jianyong Wu (Arm Technology China) wrote:
> > Hi Suzuki,
> >
> >> -----Original Message-----
> >> From: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> >> Sent: Thursday, September 26, 2019 9:06 PM
> >> To: Jianyong Wu (Arm Technology China) <Jianyong.Wu@xxxxxxx>;
> >> netdev@xxxxxxxxxxxxxxx; yangbo.lu@xxxxxxx; john.stultz@xxxxxxxxxx;
> >> tglx@xxxxxxxxxxxxx; pbonzini@xxxxxxxxxx;
> >> sean.j.christopherson@xxxxxxxxx; maz@xxxxxxxxxx;
> >> richardcochran@xxxxxxxxx; Mark Rutland <Mark.Rutland@xxxxxxx>;
> Will
> >> Deacon <Will.Deacon@xxxxxxx>
> >> Cc: linux-kernel@xxxxxxxxxxxxxxx;
> >> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> >> kvmarm@xxxxxxxxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; Steve Capper
> >> <Steve.Capper@xxxxxxx>; Kaly Xin (Arm Technology China)
> >> <Kaly.Xin@xxxxxxx>; Justin He (Arm Technology China)
> >> <Justin.He@xxxxxxx>; nd <nd@xxxxxxx>
> >> 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@xxxxxxx>
> >>> ---
> >>> 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.
>
> Hmm, ok. How about ptp_kvm_common.c instead of kvm_ptp.c ?

Yeah, it's a better name, I will change it next version.

Thanks
Jianyong Wu
>
> Suzuki