Michal Filka wrote:
> Hi,
> 
> I have question on i82557b emulation in kvm.
> 
> I have run a proprietary operating system (Pharlap OS) in kvm. Part
> of the job has been porting driver for i8255x. During the job I
> discovered that kvm's emulation doesn't support a RNR interrupt (it
> is disabled in the code).
> 
> Why is it disabled? I'm running heavily loaded application and I have
> to poll descriptor list instead of waiting for RNR interrupt.

Best asked on qemu-devel, CC'ing the developer of this device model.

Jan