On 2021-10-07 12:59:28 [-0400], Joe Korty wrote: > Convert IRQ blocking in intel_breadcrumbs_park() to a local lock. > > Affects 5.10-rt and all later releases, up to and including when > rt was merged into mainline. RT was merged into mainline? Nobody tells me anything anymore… > This problem has been reported in two other linux-rt-users postings, > > [PREEMPT_RT] i915: fix PREEMPT_RT locking splats (Clark Williams) > [linux-5.12.y-rt] drm/i915/gt: Fix a lockdep warning with interrupts enabled (Jun Miao) > > Neither of these submit the obvious solution, nor, > AFAICT, has either yet been acted on. So I muddy the > waters further by submitting this, a third fix. 5.12 is longer maintained. Could you please take the latest devel tree for testing and participate in https://lore.kernel.org/all/20211005150046.1000285-1-bigeasy@xxxxxxxxxxxxx/ ? If anything I would prefer those patches backported into v5.10 if it is affected. Sebastian
