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

[Peter Maydell]

On Mon, 11 Apr 2022 at 15:49, Greg KH <greg@kroah.com> wrote:
>
> On Mon, Apr 11, 2022 at 03:32:23PM +0100, Peter Maydell wrote:
> > On Mon, 11 Apr 2022 at 15:22, Chan Kim <ckim@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?

Don't ask me, I don't know how the kernel's handling for that
kind of device works :-)

-- PMM