linux-kernel - [PATCH v4 0/2] PCI/aer_inject: Adjust locking for PREEMPT

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Message-ID: <20251102105706.7259-1-jckeep.cuiguangbo@gmail.com>
Date: Sun,  2 Nov 2025 10:57:04 +0000
From: Guangbo Cui <jckeep.cuiguangbo@...il.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Clark Williams <clrkwllms@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Will Deacon <will@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Waiman Long <longman@...hat.com>,
	linux-rt-devel@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	Guangbo Cui <jckeep.cuiguangbo@...il.com>
Subject: [PATCH v4 0/2] PCI/aer_inject: Adjust locking for PREEMPT_RT

This patch series addresses locking issues in the AER injection
path under PREEMPT_RT.

Signed-off-by: Guangbo Cui <jckeep.cuiguangbo@...il.com>
---
Changes in v4:
- Reverse the patch ordering.
- Link to v2: https://lore.kernel.org/all/20251026044335.19049-2-jckeep.cuiguangbo@gmail.com/

Changes in v3:
- Remove unnecessary lock in aer_inject_exit.
- Link to v2: https://lore.kernel.org/all/20251009150651.93618-1-jckeep.cuiguangbo@gmail.com/

---

Guangbo Cui (2):
  PCI/aer_inject: Remove unnecessary lock in aer_inject_exit
  PCI/aer_inject: Convert inject_lock to raw_spinlock_t

 drivers/pci/pcie/aer_inject.c | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

-- 
2.43.0