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

From: Michael Kelley
Date: Fri Aug 21 2020 - 11:44:29 EST


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>