Hi Thomas, Rafael,
On Fri, Sep 02, 2016 at 09:26:51PM +0200, Thomas Gleixner wrote:
> On Wed, 31 Aug 2016, Rafael J. Wysocki wrote:
> > On Monday, August 29, 2016 12:40:39 AM Chen Yu wrote:
> > > +
> > > + /*
> > > + * Make rtc-based persistent clock unusable
> > > + * if pm_trace is enabled, only take effect
> > > + * for timekeeping_suspend/resume.
> > > + */
> > > + if (pm_trace_is_enabled() &&
> > > + x86_platform.get_wallclock == mach_get_cmos_time) {
> > > + ts->tv_sec = 0;
> > > + ts->tv_nsec = 0;
> > > + }
> >
> > I'm not sure about this. Looks hackish.
>
> Indeed. Can't you just keep track that pm_trace fiddled with the cmos clock
> and then discard the value either in the core or in mach_get_cmos_time()
The previous version is more straightforward, since
it ignored the bogus rtc in core. Would you please take
a glance at it too, thanks:
https://patchwork.kernel.org/patch/9287347/
Thanks,
Yu
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