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From: Oliver Upton <oliver.upton@linux.dev>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>, Zenghui Yu <yuzenghui@huawei.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev,
	Jing Zhang <jingzhangos@google.com>,
	Oliver Upton <oliver.upton@linux.dev>
Subject: [PATCH 0/3] irqchip/gic-v3-its: Fix GICv4.1 initialization after kexec
Date: Mon, 19 Feb 2024 18:58:05 +0000	[thread overview]
Message-ID: <20240219185809.286724-1-oliver.upton@linux.dev> (raw)

Fix an issue with GICv4.1 redistributor initialization after kexec,
ensuring the vPE table gets reinstalled even if the kernel is using
preallocated LPI tables.

First patch is worthy of a backport back to the introduction of GICv4.1,
second two are intended to avoid these mess-ups in the future.

Tested by kexec'ing into a new kernel on a GICv4.1 system.

Oliver Upton (3):
  irqchip/gic-v3-its: Do not assume vPE tables are preallocated
  irqchip/gic-v3-its: Spin off GICv4 init into a separate function
  irqchip/gic-v3-its: Print the vPE table installed in redistributor

 drivers/irqchip/irq-gic-v3-its.c | 50 +++++++++++++++++++++-----------
 1 file changed, 33 insertions(+), 17 deletions(-)


base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d
-- 
2.44.0.rc0.258.g7320e95886-goog


WARNING: multiple messages have this Message-ID (diff)
From: Oliver Upton <oliver.upton@linux.dev>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>, Zenghui Yu <yuzenghui@huawei.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev,
	Jing Zhang <jingzhangos@google.com>,
	Oliver Upton <oliver.upton@linux.dev>
Subject: [PATCH 0/3] irqchip/gic-v3-its: Fix GICv4.1 initialization after kexec
Date: Mon, 19 Feb 2024 18:58:05 +0000	[thread overview]
Message-ID: <20240219185809.286724-1-oliver.upton@linux.dev> (raw)

Fix an issue with GICv4.1 redistributor initialization after kexec,
ensuring the vPE table gets reinstalled even if the kernel is using
preallocated LPI tables.

First patch is worthy of a backport back to the introduction of GICv4.1,
second two are intended to avoid these mess-ups in the future.

Tested by kexec'ing into a new kernel on a GICv4.1 system.

Oliver Upton (3):
  irqchip/gic-v3-its: Do not assume vPE tables are preallocated
  irqchip/gic-v3-its: Spin off GICv4 init into a separate function
  irqchip/gic-v3-its: Print the vPE table installed in redistributor

 drivers/irqchip/irq-gic-v3-its.c | 50 +++++++++++++++++++++-----------
 1 file changed, 33 insertions(+), 17 deletions(-)


base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d
-- 
2.44.0.rc0.258.g7320e95886-goog


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             reply	other threads:[~2024-02-19 18:58 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-19 18:58 Oliver Upton [this message]
2024-02-19 18:58 ` [PATCH 0/3] irqchip/gic-v3-its: Fix GICv4.1 initialization after kexec Oliver Upton
2024-02-19 18:58 ` [PATCH 1/3] irqchip/gic-v3-its: Do not assume vPE tables are preallocated Oliver Upton
2024-02-19 18:58   ` Oliver Upton
2024-02-21 20:21   ` [tip: irq/urgent] " tip-bot2 for Oliver Upton
2024-02-19 18:58 ` [PATCH 2/3] irqchip/gic-v3-its: Spin off GICv4 init into a separate function Oliver Upton
2024-02-19 18:58   ` Oliver Upton
2024-02-24 10:30   ` Marc Zyngier
2024-02-24 10:30     ` Marc Zyngier
2024-02-24 11:02     ` Oliver Upton
2024-02-24 11:02       ` Oliver Upton
2024-02-24 11:10       ` Marc Zyngier
2024-02-24 11:10         ` Marc Zyngier
2024-02-19 18:58 ` [PATCH 3/3] irqchip/gic-v3-its: Print the vPE table installed in redistributor Oliver Upton
2024-02-19 18:58   ` Oliver Upton
2024-02-24 10:41   ` Marc Zyngier
2024-02-24 10:41     ` Marc Zyngier
2024-02-24 11:11     ` Oliver Upton
2024-02-24 11:11       ` Oliver Upton
2024-02-24 11:31       ` Marc Zyngier
2024-02-24 11:31         ` Marc Zyngier

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