Re: [PATCH 09/10] vfio: ccw: Suppressing the BOXED state

Pierre Morel
2018-04-25T13:55:51Z

On 25/04/2018 10:44, Cornelia Huck wrote:
> On Thu, 19 Apr 2018 16:48:12 +0200
> Pierre Morel <pmorel@linux.vnet.ibm.com> wrote:
>
>> VFIO_CCW_STATE_BOXED and VFIO_CCW_STATE_BUSY are the same
>> states.
>> Let's only keep one: VFIO_CCW_STATE_BUSY
>>
>> Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
>> ---
>> drivers/s390/cio/vfio_ccw_fsm.c | 9 ---------
>> drivers/s390/cio/vfio_ccw_private.h | 1 -
>> 2 files changed, 10 deletions(-)
> I think they were initially supposed to cover two different things:
> - BUSY: we're currently dealing with an I/O request
> - BOXED: the device currently won't talk to us or we won't talk to it
>
> It seems we never really did anything useful with BOXED; but should we?
>
I do not know what.

--
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany