On Thu, Jun 23 2022, Thomas Huth <th...@redhat.com> wrote:

> According chapter "3.1.1 Driver Requirements: Device Initialization"
> of the Virtio specification (v1.1), a driver for a device has to set
> the ACKNOWLEDGE and DRIVER bits in the status field after resetting
> the device. The s390-ccw bios skipped these steps so far and seems
> like QEMU never cared. Anyway, it's better to follow the spec, so
> let's set these bits now in the right spots, too.
>
> Signed-off-by: Thomas Huth <th...@redhat.com>
> ---
>  pc-bios/s390-ccw/virtio.c | 18 ++++++++++++++----
>  1 file changed, 14 insertions(+), 4 deletions(-)

The QEMU implementation seems to be pretty tolerant :)

Reviewed-by: Cornelia Huck <coh...@redhat.com>


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