Re: [PATCH] vfio-ccw: process ssch with interrupts disabled

Halil Pasic
2018-04-19T12:01:09Z

On 04/13/2018 04:05 PM, Cornelia Huck wrote:
> When we call ssch, an interrupt might already be pending once we
> return from the START SUBCHANNEL instruction. Therefore we need to
> make sure interrupts are disabled until after we're done with our
> processing.
>
> Note that the subchannel lock is the same as the ccwdevice lock that
> is mentioned in the documentation for ccw_device_start() and friends.
>
> Signed-off-by: Cornelia Huck<cohuck@redhat.com>

Acked-by: Halil Pasic <pasic@linux.vnet.ibm.com>