Re: [PATCH v2] hv_utils: return error if host timesysnc update is stale

From: Wei Liu
Date: Mon Aug 24 2020 - 10:51:39 EST


On Fri, Aug 21, 2020 at 03:44:24PM +0000, Michael Kelley wrote:
> From: viremana@xxxxxxxxxxxxxxxxxxx Sent: Friday, August 21, 2020 8:25 AM
> >
> > If for any reason, host timesync messages were not processed by
> > the guest, hv_ptp_gettime() returns a stale value and the
> > caller (clock_gettime, PTP ioctl etc) has no means to know this
> > now. Return an error so that the caller knows about this.
> >
> > Signed-off-by: Vineeth Pillai <viremana@xxxxxxxxxxxxxxxxxxx>
> > ---
> >
> > v2:
> > - Fix warnings reported by Kernel test robot <lkp@xxxxxxxxx>
> > - s/pr_warn/pr_warn_once/
> >
> > ---
> > drivers/hv/hv_util.c | 46 +++++++++++++++++++++++++++++++++-----------
> > 1 file changed, 35 insertions(+), 11 deletions(-)
>
> Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>

Applied to hyperv-fixes. Thanks.