hv_utils: return error if host timesysnc update is stale

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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@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20200821152523.99364-1-viremana@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>

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Vineeth Pillai 2020-08-21 15:25:23 +00:00 • committed by Wei Liu

parent b9d8cf2eb3

commit 90b125f4cd

1 changed files with 35 additions and 11 deletions

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drivers/hv/hv_util.c

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