On Wed, Apr 19 2023 at 09:25, Sebastian Andrzej Siewior wrote: > On 2023-04-18 18:25:48 [+0200], Greg KH wrote: >> > Could this be please backported to 5.15 and earlier? It is already part >> > of the 6.X kernels. I asked about this by the end of January and I'm >> > kindly asking again ;) >> >> I thought this was only an issues when using the out-of-tree RT patches >> with these kernels, right? Or is it relevant for 5.15.y from kernel.org >> without anything else? > > The out-of-tree RT patches make extensive use of the code. Since it is > upstream code, I assumed it should go via the official stable trees. > Without RT, the code is limited the rt_mutex_lock() used by I2C and the > RCU booster-mutex. Which is a reason to route it through the upstream stable trees, no? Thanks, tglx