On 09/21/2017 11:24 AM, Cornelia Huck wrote: > On Wed, 20 Sep 2017 19:23:12 +0200 > Halil Pasic <pa...@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? >
I did not. I jumped in because of IDA, and because I did not agree with increasing the buffer size to another arbitrary an value (and essentially keep the bug). I hope the original authors will do further polishing. I'm just curious, what's behind the question? Halil
