Re: [PATCH] time: export nsec_to_clock_t

From: Viresh Kumar
Date: Mon Apr 02 2018 - 06:25:59 EST


On 29-03-18, 21:11, Thomas Gleixner wrote:
> On Thu, 29 Mar 2018, Zhang Rui wrote:
> > On ä, 2018-03-28 at 16:11 +0200, Arnd Bergmann wrote:
> > > nsec_to_clock_t was traditionally used only in the core kernel, now
> > > we
> > > have a sysfs file that needs it from a loadable module, causing a
> > > link-time error:
> > >
> > > ERROR: "nsec_to_clock_t" [drivers/thermal/thermal_sys.ko] undefined!
> > >
> > > This exports the function the same way that we do for related
> > > interfaces.
> > >
> > > Fixes: 96cea33badc5 ("thermal: Add cooling device's statistics in
> > > sysfs")
> > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> >
> > Thanks for the fix.
> > can I take this patch through thermal tree?
>
> Well, the question is what's the point of that?
>
> Why does a new interface expose time in state in clock_t instead in normal
> time units, e.g. nsec/usec/msec ?

The initial patch was displaying the values in msec, but eduardo asked the units
to be consistent with how cpufreq shows it, i.e. clock_t.

https://lkml.kernel.org/r/20180112174606.GA11076@xxxxxxxxxxxxxxxxxxxxx

Anyway I will resend the patch and move back to msec. Thanks.

--
viresh