On Wed, Sep 05, 2018 at 10:22:27AM +0530, Anup Patel wrote: > I am sure we will see both Level and Edge triggered interrupts > in RISC-V system. The MMIO device interrupts will be mostly > Level triggered and PCI MSIs will be mapped as Edge triggered > by MSI controller. > > We should definitely select GENERIC_IRQ_SHOW_LEVEL > so that nature of IRQ interrupt line is evident in /proc/interrupts.
Please settle the argument with Thomas and Marc on what the default for this option should be - in the end it just shows another line in procfs, and I see no reason for RISC-V to ever deviated from the global Linux default here, whatever that default is. > >> HANDLE_DOMAIN_IRQ > > > > We aren't using handle_domain_irq anywhere in RISC-V, no need to > > build this. > > The new RISC-V local interrupt controller driver introduced by > this patchset uses handle_domain_irq(). So select it in the patch that needs it, not anywhere else.
