On Mon, 26 Jan 2015, Rafael J. Wysocki wrote:
> On Monday, January 26, 2015 10:40:24 AM Thomas Gleixner wrote:
> > The only remaining issue might be a NMI calling into
> > ktime_get_mono_fast_ns() before timekeeping is resumed. Its probably a
> > non issue on x86/tsc, but it might be a problem on other platforms
> > which turn off devices, clocks, It's not rocket science to prevent
> > that.
>
> I don't see any users of ktime_get_mono_fast_ns() at all, unless some
> non-trivial
> macros are involved. At least grepping for it only returns the definition,
> declarations and the line in trace.c.
You can trace in NMI and perf is going to use ktime_get_mono_fast_ns()
eventually as well.
Thanks,
tglx
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