On Thu, 2020-02-06 at 22:13 -0800, Fernando Lopez-Lezcano wrote: > On 2/6/20 10:11 PM, Mike Galbraith wrote: > > On Thu, 2020-02-06 at 15:59 -0800, Fernando Lopez-Lezcano wrote: > >> On 2/4/20 8:58 AM, Sebastian Andrzej Siewior wrote: > >>> Dear RT folks! > >>> > >>> I'm pleased to announce the v5.4.17-rt9 patch set. > >> > >> Thanks! > >> I see a continuous stream of these: > > > > (snips gripage) > > > > Yup, d67739268cf0 annoys RT locking if lockdep is enabled. The below > > shut it up for my i915 equipped lappy. > > Wow, Mike, thanks!, will try it out and report... > (might take me a couple of days) I suspect you could just change the IS_ENABLED line to exclude CONFIG_PREEMPT_RT from the lockdep hack instead. Replacing local_irq_disable() with a local lock is the routine fix, but in this case it more closely resembles putting a bandaid on a bandaid :) -Mike
