On Sat, 7 Nov 2020 11:43:36 +1000, Nicholas Piggin wrote: > This is way to catch some cases of decrementer overflow, when the > decrementer has underflowed an odd number of times, while MSR[EE] was > disabled. > > With a typical small decrementer, a timer that fires when MSR[EE] is > disabled will be "lost" if MSR[EE] remains disabled for between 4.3 and > 8.6 seconds after the timer expires. In any case, the decrementer > interrupt would be taken at 8.6 seconds and the timer would be found at > that point. > > [...]
Applied to powerpc/next. [1/1] powerpc/64: irq replay remove decrementer overflow check https://git.kernel.org/powerpc/c/59d512e4374b2d8a6ad341475dc94c4a4bdec7d3 cheers