[PATCH for stable 5.x] rcu: Tighten rcu_advance_cbs_nowake() checks

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Subject: [PATCH for stable 5.x] rcu: Tighten rcu_advance_cbs_nowake() checks
From: Guillaume Morin <guillaume@xxxxxxxxxxx>
Date: Thu, 20 Jan 2022 19:55:01 +0100

Paul,

I believe commit 614ddad17f22a22e035e2ea37a04815f50362017 (slated for
5.17) should be queued for all 5.4+ stable branches as it fixes a
serious lockup bug. FWIW I have verified it applies cleanly on all 4
branches.

Does that make sense to you?

Guillaume.

-- 
Guillaume Morin <guillaume@xxxxxxxxxxx>

Follow-Ups:
- Re: [PATCH for stable 5.x] rcu: Tighten rcu_advance_cbs_nowake() checks
  - From: Daniel Vacek
- Re: [PATCH for stable 5.x] rcu: Tighten rcu_advance_cbs_nowake() checks
  - From: Paul E. McKenney

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