Stefan Weil schrieb:
> Jan Kiszka schrieb:
>> 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
>>
>
> Hi,
>
> up to now, nobody complained about the missing RNR interrupts.
> Linux obviously works without them, so I had no reason to
> implement them.
>
> The disabled code parts (function eepro100_rnr_interrupt)
> can be enabled, but you still need code which calls them
> at the right places.
>
> This should not be very difficult if there is some test case
> which proves the working RNR interrupt.
>
> Regards
> Stefan
>

Hi Michal,

could you please try the appended patch and tell me whether it works?

Regards
Stefan