Hi Marc,
> -----Original Message-----
> From: Marc Zyngier <m...@kernel.org>
> Sent: Monday, November 25, 2019 11:48 PM
> To: Jianyong Wu (Arm Technology China) <jianyong...@arm.com>
> Cc: net...@vger.kernel.org; yangbo...@nxp.com; john.stu...@linaro.org;
> t...@linutronix.de; pbonz...@redhat.com; sean.j.christopher...@intel.com;
> richardcoch...@gmail.com; Mark Rutland <mark.rutl...@arm.com>;
> w...@kernel.org; Suzuki Poulose <suzuki.poul...@arm.com>; linux-
> ker...@vger.kernel.org; linux-arm-ker...@lists.infradead.org;
> kvmarm@lists.cs.columbia.edu; k...@vger.kernel.org; Steve Capper
> <steve.cap...@arm.com>; Kaly Xin (Arm Technology China)
> <kaly....@arm.com>; Justin He (Arm Technology China)
> <justin...@arm.com>; nd <n...@arm.com>
> Subject: Re: [RFC PATCH v8 3/8] ptp: Reorganize ptp_kvm modules to make it
> arch-independent.
>
> On 2019-11-25 10:45, 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...@arm.com>
> > ---
> > drivers/ptp/Makefile | 1 +
> > drivers/ptp/{ptp_kvm.c => ptp_kvm_common.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 => ptp_kvm_common.c} (63%) create mode
> 100644
> > drivers/ptp/ptp_kvm_x86.c create mode 100644
> > include/asm-generic/ptp_kvm.h
>
> [...]
>
> > diff --git a/include/asm-generic/ptp_kvm.h
> > b/include/asm-generic/ptp_kvm.h new file mode 100644 index
> > 000000000000..e5dd386f6664
> > --- /dev/null
> > +++ b/include/asm-generic/ptp_kvm.h
> > @@ -0,0 +1,12 @@
> > +/* SPDX-License-Identifier: GPL-2.0-only */
> > +/*
> > + * Virtual PTP 1588 clock for use with KVM guests
> > + *
> > + * Copyright (C) 2019 ARM Ltd.
>
> I think you should live the original copyright assignment here.
> This really isn't anything new.
>
Ok,
> > + * All Rights Reserved
> > + */
> > +
> > +int kvm_arch_ptp_init(void);
> > +int kvm_arch_ptp_get_clock(struct timespec64 *ts); int
> > +kvm_arch_ptp_get_crosststamp(unsigned long *cycle,
> > + struct timespec64 *tspec, void *cs);
>
> Why is this include file in asm-generic? This isn't a kernel-wide API.
>
> I think it should be sitting in drivers/ptp, as it is only shared between the
> generic and arch-specific stuff.
Ok, all these APIs used under driver/ptp, so it's better to move that header
file into it.
Thanks
Jianyong
>
> Thanks,
>
> M.
> --
> Jazz is not dead. It just smells funny...
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