On Fri, Nov 12, 2021 at 11:35 AM Cornelia Huck wrote:
>
> On Thu, Nov 11 2021, Eugenio Pérez wrote:
>
> > The spec tells that "The driver MUST NOT clear a device status bit", but
> > a device using PCI transport reset a virtio device writing 0 to device
>
> I think MMIO uses that mechanism as wel
On Fri, Nov 12, 2021 at 4:46 AM Jason Wang wrote:
>
> On Fri, Nov 12, 2021 at 2:59 AM Eugenio Pérez wrote:
> >
> > The spec tells that "The driver MUST NOT clear a device status bit", but
> > a device using PCI transport reset a virtio device writing 0 to device
> > status. In some way, that is t
On Thu, Nov 11 2021, Eugenio Pérez wrote:
> The spec tells that "The driver MUST NOT clear a device status bit", but
> a device using PCI transport reset a virtio device writing 0 to device
I think MMIO uses that mechanism as well?
> status. In some way, that is to clear all its bits.
>
> Inste
On Fri, Nov 12, 2021 at 2:59 AM Eugenio Pérez wrote:
>
> The spec tells that "The driver MUST NOT clear a device status bit", but
> a device using PCI transport reset a virtio device writing 0 to device
> status. In some way, that is to clear all its bits.
>
> Instead of add an exception, tell exp