[SeaBIOS] Support for QEMU's virtio modern-pio-notify option?

[Paolo Bonzini]

On 02/04/2017 23:41, Jonathan Boeing wrote:
> Specifically, it spins forever in the while(!vring_more_used(vq)) loop in the call stack:
> 
> scsi_drive_setup()
> cdb_get_inquiry()
> ...
> virtio_scsi_process_op()

Hi,

this is a QEMU bug.  The fix is commit e49a661 ("virtio: always use
handle_aio_output if registered", 2017-03-22).

Thanks,

Paolo