Re: [PATCH - RE-RESEND] IRQ: don't suspend nested_thread irqs over system suspend.

2015-05-18 Thread Peter Zijlstra
On Sun, May 17, 2015 at 03:19:34PM +1000, NeilBrown wrote: > > > Nested IRQs can only fire when the parent irq fires. > So when the parent is suspended, there is no need to suspend > the child irq. > > Suspending nested irqs can cause a problem is they are suspended or > resumed in the wrong ord

[PATCH - RE-RESEND] IRQ: don't suspend nested_thread irqs over system suspend.

2015-05-16 Thread NeilBrown
Nested IRQs can only fire when the parent irq fires. So when the parent is suspended, there is no need to suspend the child irq. Suspending nested irqs can cause a problem is they are suspended or resumed in the wrong order. If an interrupt fires while the parent is active but the child is suspe