On Mon, 28 Jan 2019 15:38:24 +0000, Julien Thierry <[email protected]> wrote: > > Add functionality to allocate interrupt lines that will deliver IRQs > as Non-Maskable Interrupts. These allocations are only successful if > the irqchip provides the necessary support and allows NMI delivery for the > interrupt line. > > Interrupt lines allocated for NMI delivery must be enabled/disabled through > enable_nmi/disable_nmi_nosync to keep their state consistent. > > To treat a PERCPU IRQ as NMI, the interrupt must not be shared nor threaded, > the irqchip directly managing the IRQ must be the root irqchip and the > irqchip cannot be behind a slow bus. > > Signed-off-by: Julien Thierry <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: Marc Zyngier <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]> M. -- Jazz is not dead, it just smell funny.
