On Thu, 2017-04-20 at 17:30 +0200, Frederic Weisbecker wrote: > So far we have run into too much troubles with the optimization path > that skips reprogramming the clock on IRQ exit when the expiration > deadline hasn't changed. If by accident the cached deadline happens > to > be out of sync with the hardware deadline, the buggy result and its > cause are hard to investigate. So lets detect and warn about the > issue > early. > > Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx> > Cc: Tim Wright <tim@xxxxxxxxxxxxx> > Cc: Pavel Machek <pavel@xxxxxx> > Cc: James Hartsock <hartsjc@xxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Rik van Riel <riel@xxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> Acked-by: Rik van Riel <riel@xxxxxxxxxx>