> -----Original Message----- > From: linux-kernel-owner@xxxxxxxxxxxxxxx [mailto:linux-kernel- > owner@xxxxxxxxxxxxxxx] On Behalf Of Richard Cochran > Sent: Tuesday, October 21, 2014 4:21 PM > To: Jeff Epler > Cc: Thomas Shao; Thomas Gleixner; gregkh@xxxxxxxxxxxxxxxxxxx; LKML; > devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; > jasowang@xxxxxxxxxx; KY Srinivasan; John Stultz; Richard Cochran > Subject: Re: [PATCH v2 1/2] timekeeping: add EXPORT_SYMBOL_GPL for > do_adjtimex() > > On Mon, Oct 20, 2014 at 11:02:13PM -0500, Jeff Epler wrote: > > It's interesting to imagine that a virtualization host could present a > > time service to the guest *userspace*, even when the guest is not > > otherwise exposed to the internet at large. This could take the form > > of an NTP server on a private network, or as an implementation of a > > time source directly usable by ntpd in the guest, for instance as an > > emulated serial port with synthetic NEMA GPS signal + PPS signal, for > instance. > > If the idea is to avoid bothering the guest user space, in order to be > convenient, then the host can provide a synthetic PPS, to be used by the > kernel's hardpps logic. > This is something I should consider. I'll do more investigation for this. Thanks Richard. > Thanks, > Richard > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the > body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
