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From:   Michael Kelley <mikelley@microsoft.com>
To:     Vineeth Pillai <viremana@linux.microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>
CC:     KY Srinivasan <kys@microsoft.com>,
        "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v2] hv_utils: return error if host timesysnc update is
 stale
Thread-Topic: [PATCH v2] hv_utils: return error if host timesysnc update is
 stale
Thread-Index: AQHWd89dcs7uBVXqpE2QYZ3YDtkCpKlCs/Lw
Date:   Fri, 21 Aug 2020 15:44:24 +0000
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References: <20200821152523.99364-1-viremana@linux.microsoft.com>
In-Reply-To: <20200821152523.99364-1-viremana@linux.microsoft.com>
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From: viremana@linux.microsoft.com Sent: Friday, August 21, 2020 8:25 AM
>=20
> 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.
>=20
> Signed-off-by: Vineeth Pillai <viremana@linux.microsoft.com>
> ---
>=20
>  v2:
>     - Fix warnings reported by Kernel test robot <lkp@intel.com>
>     - s/pr_warn/pr_warn_once/
>=20
> ---
>  drivers/hv/hv_util.c | 46 +++++++++++++++++++++++++++++++++-----------
>  1 file changed, 35 insertions(+), 11 deletions(-)

Reviewed-by: Michael Kelley <mikelley@microsoft.com>