Re: [Qemu-devel] [PATCH RFC v3] s390/css: handle CCW_FLAG_SKIP

2019-05-14 Thread Eric Farman
On 5/8/19 5:12 AM, Cornelia Huck wrote: If a ccw has CCW_FLAG_SKIP set, and the command is of type read, read backwards, or sense, no data should be written to the guest for that command. Signed-off-by: Cornelia Huck --- v2 -> v3: fixed checks even more [Pierre] v1 -> v2: fixed checks for c

[Qemu-devel] [PATCH RFC v3] s390/css: handle CCW_FLAG_SKIP

2019-05-08 Thread Cornelia Huck
If a ccw has CCW_FLAG_SKIP set, and the command is of type read, read backwards, or sense, no data should be written to the guest for that command. Signed-off-by: Cornelia Huck --- v2 -> v3: fixed checks even more [Pierre] v1 -> v2: fixed checks for command type [Eric] --- hw/s390x/css.c