Can't understand /proc/interrupts output for GICv3 case

[Greg KH]

On Mon, Apr 11, 2022 at 03:32:23PM +0100, Peter Maydell wrote:
> On Mon, 11 Apr 2022 at 15:22, Chan Kim <ckim at etri.re.kr> wrote:
> >
> >
> > > > > What bus type is your driver written for?
> > > > >
> > > > That sounds very logical. In my case I added it to system bus.
> > >
> > > What exactly do you mean by "system bus"?
> > >
> > I meant 'sysbus' in qemu code that I showed in the qemu code.
> > And I think it's the CPU bus.
> 
> The 'sysbus' is just QEMU's abstraction for "devices mapped into
> memory at a fixed physical address", ie simple MMIO devices that
> aren't on a complex bus like PCI or USB or SPI.

So, a platform_device in Linux kernel terms, right?