[PATCH 0/9 v4.9-RT] Backports to fix random core

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To: Mark Gross <markgross@xxxxxxxxxx>
Subject: [PATCH 0/9 v4.9-RT] Backports to fix random core
From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Date: Fri, 19 Aug 2022 11:24:37 +0200
Cc: linux-rt-users@xxxxxxxxxxxxxxx, stable-rt@xxxxxxxxxxxxxxx, Salvatore Bonaccorso <carnil@xxxxxxxxxx>

Hi,

in v4.9.320 some random-core patches broke RT. This is a series of
backports to align with later RT versions and keep things working again.

Sebastian

Follow-Ups:
- Re: [PATCH 0/9 v4.9-RT] Backports to fix random core
  - From: Mark Gross
- Re: [PATCH 0/9 v4.9-RT] Backports to fix random core
  - From: Mark Gross
- [PATCH 9/9] workqueue: Convert the pool::lock and wq_mayday_lock to raw_spinlock_t
  - From: Sebastian Andrzej Siewior
- [PATCH 7/9] rcu: Intrdroduce rcuwait.
  - From: Sebastian Andrzej Siewior
- [PATCH 6/9] timers: Don't block on ->expiry_lock for TIMER_IRQSAFE timers
  - From: Sebastian Andrzej Siewior
- [PATCH 8/9] workqueue: Use rcuwait for wq_manager_wait
  - From: Sebastian Andrzej Siewior
- [PATCH 5/9] timers: Keep interrupts disabled for TIMER_IRQSAFE timer.
  - From: Sebastian Andrzej Siewior
- [PATCH 4/9] Revert "workqueue: Prevent deadlock/stall on RT"
  - From: Sebastian Andrzej Siewior
- [PATCH 2/9] random: schedule mix_interrupt_randomness() less often
  - From: Sebastian Andrzej Siewior
- [PATCH 3/9] Revert "workqueue: Use local irq lock instead of irq disable regions"
  - From: Sebastian Andrzej Siewior
- [PATCH 1/9] random: Bring back the local_locks
  - From: Sebastian Andrzej Siewior

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