Re: [PATCH v6 3/8] s390/sclp: read sccb from mem based on provided length

[Thomas Huth]

On 15/09/2020 21.44, Collin Walling wrote:
> The header contained within the SCCB passed to the SCLP service call
> contains the actual length of the SCCB. Instead of allocating a static
> 4K size for the work sccb, let's allow for a variable size determined
> by the value in the header. The proper checks are already in place to
> ensure the SCCB length is sufficent to store a full response and that
> the length does not cross any explicitly-set boundaries.
> 
> Signed-off-by: Collin Walling <walling@linux.ibm.com>
> ---
>  hw/s390x/event-facility.c |  2 +-
>  hw/s390x/sclp.c           | 55 ++++++++++++++++++++++-----------------
>  include/hw/s390x/sclp.h   |  2 +-
>  3 files changed, 33 insertions(+), 26 deletions(-)

Reviewed-by: Thomas Huth <thuth@redhat.com>