Messages in this thread | | | Date | Mon, 26 Jan 2015 15:24:27 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v3]PM/Sleep: Timer quiesce in freeze state |
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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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