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@xxxxxxxxxx>
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