Re: [PATCH 6/6] powerpc/64: irq replay remove decrementer overflow check

2020-09-18 Thread Michael Ellerman
Nicholas Piggin writes: > This is an ad-hoc way to catch some cases of decrementer overflow. It > won't catch cases where interrupts were hard disabled before any soft > masked interrupts fired, for example. And it doesn't catch cases that > have overflowed an even number of times. > > It's not

[PATCH 6/6] powerpc/64: irq replay remove decrementer overflow check

2020-09-15 Thread Nicholas Piggin
This is an ad-hoc way to catch some cases of decrementer overflow. It won't catch cases where interrupts were hard disabled before any soft masked interrupts fired, for example. And it doesn't catch cases that have overflowed an even number of times. It's not clear what exactly what problem s