GPF from __srcu_read_lock() via drm_minor_acquire()

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Subject: GPF from __srcu_read_lock() via drm_minor_acquire()
From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Date: Wed, 16 Sep 2020 13:48:22 -0700
Cc: Will Deacon <will@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Josh Triplett <josh@xxxxxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, jiangshanlai@xxxxxxxxx, "Joel Fernandes (Google)" <joel@xxxxxxxxxxxxxxxxx>, rcu@xxxxxxxxxxxxxxx, clang-built-linux <clang-built-linux@xxxxxxxxxxxxxxxx>

Hey Paul and RCU folks,
I noticed we have a bug report from 2 users that seem to have similar
stack traces in SRCU code;
https://github.com/ClangBuiltLinux/linux/issues/1081

Is there a way we should go about starting to debug this?

-- 
Thanks,
~Nick Desaulniers

Follow-Ups:
- Re: GPF from __srcu_read_lock() via drm_minor_acquire()
  - From: Paul E. McKenney

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