On Fri, Apr 24, 2020 at 09:50:04AM +0100, André Przywara wrote:
> On 24/04/2020 09:41, Will Deacon wrote:
> > On Thu, Apr 23, 2020 at 06:38:40PM +0100, Andre Przywara wrote:
> >> diff --git a/devices.c b/devices.c
> >> index a7c666a7..2c8b2665 100644
> >> --- a/devices.c
> >> +++ b/devices.c
> >> @@ -1,7 +1,6 @@
> >>  #include "kvm/devices.h"
> >>  #include "kvm/kvm.h"
> >>  #include "kvm/pci.h"
> >> -#include "kvm/virtio-mmio.h"
> >>  
> >>  #include <linux/err.h>
> >>  #include <linux/rbtree.h>
> >> @@ -33,9 +32,6 @@ int device__register(struct device_header *dev)
> >>    case DEVICE_BUS_PCI:
> >>            pci__assign_irq(dev);
> >>            break;
> >> -  case DEVICE_BUS_MMIO:
> >> -          virtio_mmio_assign_irq(dev);
> >> -          break;
> > 
> > Hmm, but then it's a bit ugly to handle these differently to PCI. How
> > difficult is it to add a new bus type instead? e.g. stick the virtio mmio
> > devices on DEVICE_BUS_VIRTIO_MMIO and then add the non-virtio MMIO devices
> > to DEVICE_BUS_MMIO?
> 
> I have another patch to also do the IRQ allocation for PCI devices in
> their callers. This avoids the allocation on an IRQ for vesa, for
> instance, but otherwise doesn't solve a real problem, so I didn't post
> it yet.
> By looking at devices.c, I feel like this should only be handling the
> administrative part of managing the device_header structs in the rbtree.
> Dealing with bus specific things looks out of scope for this file, IMHO.
> 
> If you agree, I will send the patch shortly.

Yes please.

Will
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