On Thu, 4 Mar 2021 at 16:11, Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> wrote: > > Em Tue, 2 Mar 2021 05:01:16 -0300 > Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx> escreveu: > > > Hi Wren, > > > > How about you submit the loopback driver for integration in mainline? > > We can review the driver, give feedback and help you get it merged. > > Please, don't top post. > > The loopback driver is not something that could be merged. It was > already submitted a few times. > > One of the main issues is that userspace may sleep, and this could cause > some bad effects and even hangups due to V4L2 core and VB2 mutex and > spin locks. > Can you elaborate on this? I always felt that it's a shame for something so popular as the loopback to be out-of-tree and unsupported. Thanks, Ezequiel
