RE: [PATCH] Drivers: hv: util: Implement Time Synchronization using host time sample

From: Thomas Shao
Date: Fri Sep 26 2014 - 11:14:38 EST




> -----Original Message-----
> From: Mike Surcouf [mailto:mps.surcouf.lkml@xxxxxxxxx]
> Sent: Friday, September 26, 2014 9:52 PM
> To: Thomas Shao
> Cc: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> driverdev-devel@xxxxxxxxxxxxxxxxxxxxxx; Olaf Hering; Robo Bot;
> jasowang@xxxxxxxxxx; KY Srinivasan; Haiyang Zhang
> Subject: Re: [PATCH] Drivers: hv: util: Implement Time Synchronization using
> host time sample
>
> In CENTOS and RHEL 6 and upwards the official way would be to use
>
> /usr/sbin/tickadj
>
> which is provided by ntp/chrony package
>
> This dependency on user space packages that may or may not be installed is
> going to cause a lot of confusion in an already confused space.
> Are we sure theres no other way?

Thanks Mike.
I think another way is to expose the do_adjtimex to kernel module. I'm not sure if there is any concerns. I'll investigate that.
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