[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] [PATCH] Adjust time init sequence
>From: Keir Fraser [mailto:keir.fraser@xxxxxxxxxxxxx] >Sent: Thursday, December 11, 2008 5:05 PM > >On 11/12/2008 00:47, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote: > >> I guess not, due to same reason as why I sent out 1st patch idle >> vcpu state entry. The point is the current TSC value, which count >> from power on and is translated to a dozens of seconds for elapsed >> time upon a zero tsc stamp. :-( I didn't realize that point >in the start... > >Ah, because it's set up in early_time_init(). > >By the way, instead of avoiding NOW() early on, could we just set >local_tsc_stamp in early_time_init()? Then we could use NOW() when >initialising idle VCPUs, and also early on in init_xen_time()? > >We could set stime_platform_stamp = NOW() too, so that platform time is >kicked off following BP's time. > >I could send a patch which I find tasteful if you think this >could work? :-) > Sure, I think that should work too. :-) Thanks, Kevin _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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