You can easily switch to 4.19 kernel on master. 
The patchset is still deployed.
But now I saw that this is a backport from 5.4 kernel and it was never applied for the 4.19 master.
You can easily switch to 4.19 kernel on master. The patchset is still deployed.
But now I saw that this is a backport from 5.4 kernel and it was never applied for the 4.19 master.