Re: [Qemu-devel] [PATCH 0/2] 3270 improvements

[Cornelia Huck <cohuck@redhat.com>]

On Wed, 20 Sep 2017 19:23:12 +0200
Halil Pasic <pasic@linux.vnet.ibm.com> wrote:

> Jason found some problems with 3270 which he traced down to insufficient
> output buffer size. I've looked into the underlying issue (and the
> relevant code) and I saw strange things. Among others an unreasonable
> assert requiring the payload of a ccw being less than some more or
> less arbitrary limit (dictated by the size of the output buffer).
> 
> Because we were already considering converting 3270 to CcwDataStream I've
> decided to try do get rid of this strange limitation on the length of the
> writes too. 
> 
> This series depends on my IDA work, which can be found here:
> https://lists.nongnu.org/archive/html/qemu-devel/2017-09/msg03434.html.
> 
> Halil Pasic (2):
>   s390x/3270: IDA support for 3270 via CcwDataStream
>   s390x/3270: handle writes of arbitrary length
> 
>  hw/char/terminal3270.c      | 46 +++++++++++++++++++++++++++------------------
>  hw/s390x/3270-ccw.c         |  4 ++--
>  include/hw/s390x/3270-ccw.h |  5 ++---
>  3 files changed, 32 insertions(+), 23 deletions(-)
> 

Are you planning to do some further work on 3270, btw?