On Fri, Apr 21, 2023 at 09:29:08AM +0200, Thomas Gleixner wrote: > 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? I do not understand. Why would we take a patch in the stable tree because an out-of-tree change requires it? confused, greg k-h
