On Tue, Apr 16, 2019 at 11:47:27AM +0200, Sebastian Andrzej Siewior wrote: > On 2019-04-16 11:36:34 [+0200], Peter Zijlstra wrote: > > On Tue, Apr 16, 2019 at 01:13:11AM -0700, tip-bot for Sebastian Andrzej Siewior wrote: > > > Commit-ID: 37a8f8590f307db8f8cfa62dfd82b3fc0978607c > > > Gitweb: https://git.kernel.org/tip/37a8f8590f307db8f8cfa62dfd82b3fc0978607c > > > Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > > > AuthorDate: Wed, 3 Apr 2019 23:08:21 +0200 > > > Committer: Ingo Molnar <mingo@xxxxxxxxxx> > > > CommitDate: Tue, 16 Apr 2019 10:06:08 +0200 > > > > > > sched/core: Document that RT task priorities are 1...99 > > > > > > John identified three files which claim that RT task priorities start at > > > zero. As far as I understand, 0 is used for DL and has nothing to do > > > wihich RT priorities as identified by the RT policy. > > > > DL is -1, 0 is still very much FIFO/FF > > but it can't be set. The lowest we can set is 1. Is this a bug then? What cannot be set?