Messages in this thread | | | Date | Tue, 28 May 2013 15:05:30 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH 1/2] x86/xen: sync the CMOS RTC as well as the Xen wallclock |
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On Tue, May 28, 2013 at 12:01:57PM -0700, John Stultz wrote: > On 05/28/2013 11:22 AM, David Vrabel wrote: > >From: David Vrabel <david.vrabel@citrix.com> > > > >Adjustments to Xen's persistent_clock via update_persistent_clock() > >don't actually persist, as the xen_set_walltime() just notifies other > >domN guests that it has been updated, and does not modify the > >underlying CMOS clock. > > > >Thus, this patch modifies xen_set_wallclock() so it will set the > >underlying CMOS clock when called from dom0, ensuring the > >persistent_clock will be correct on the next hardware boot. > > > >Dom0 does not support accessing EFI runtime services and Xen does not > >run on Moorsetown platforms so the CMOS RTC is the only supported > >hardware clock. > > > >Signed-off-by: David Vrabel <david.vrabel@citrix.com> > >Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> > > Ok, I've queued this for 3.11.
Thanks. > > thanks > -john >
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