Re: [patch 4/5] PTP: add PTP_SYS_OFFSET emulation via cross timestamps infrastructure

[Paolo Bonzini]

On 20/01/2017 13:20, Marcelo Tosatti wrote:
>  kernel/time/timekeeping.c        |   79 +++++++++++++++++++++++++++++++++++++++

Why not leave this in drivers/ptp/ptp_chardev.c?

> +		if (ptp->info->emulate_ptp_sys_offset_mean) {
> +			err = emulate_ptp_sys_offset(ptp->info, sysoff, arg);
> +			break;
> +		}

I think this should be simply "if (!ptp->info->gettime64)" and,
likewise, there should be an emulation based getcrosststamp in
ptp_clock_gettime.

Paolo