From: dann frazier <dann.frazier@canonical.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Hanjun Guo <guohanjun@huawei.com>, Fu Wei <wefu@redhat.com>,
Len Brown <lenb@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel-team@android.com
Subject: Re: [PATCH 0/2] arm64: ACPI GTDT watchdog fixes
Date: Wed, 21 Apr 2021 12:09:44 -0600 [thread overview]
Message-ID: <YIBqaPiLCrqc9f/c@xps13.dannf> (raw)
In-Reply-To: <20210421164317.1718831-1-maz@kernel.org>
On Wed, Apr 21, 2021 at 05:43:15PM +0100, Marc Zyngier wrote:
> Dann recently reported that his ThunderX machine failed to boot since
> 64b499d8df40 ("irqchip/gic-v3: Configure SGIs as standard
> interrupts"), with a not so pretty crash while trying to send an IPI.
>
> It turned out to be caused by a mix of broken firmware and a buggy
> GTDT watchdog driver. Both have forever been buggy, but the above
> commit revealed that the error handling path of the driver was
> probably the worse part of it all.
>
> Anyway, this short series has two goals:
> - handle broken firmware in a less broken way
> - make sure that the route cause of the problem can be identified
> quickly
>
> Thanks,
>
> M.
>
> Marc Zyngier (2):
> ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure
> ACPI: irq: Prevent unregistering of GIC SGIs
>
> drivers/acpi/arm64/gtdt.c | 10 ++++++----
> drivers/acpi/irq.c | 6 +++++-
> 2 files changed, 11 insertions(+), 5 deletions(-)
For the series:
Tested-by: dann frazier <dann.frazier@canonical.com>
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next prev parent reply other threads:[~2021-04-21 18:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-21 16:43 [PATCH 0/2] arm64: ACPI GTDT watchdog fixes Marc Zyngier
2021-04-21 16:43 ` [PATCH 1/2] ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure Marc Zyngier
2021-04-21 17:14 ` Sudeep Holla
2021-04-21 17:20 ` Sudeep Holla
2021-04-21 17:57 ` Marc Zyngier
2021-04-21 16:43 ` [PATCH 2/2] ACPI: irq: Prevent unregistering of GIC SGIs Marc Zyngier
2021-04-21 17:15 ` Sudeep Holla
2021-04-21 17:56 ` Marc Zyngier
2021-04-21 18:09 ` dann frazier [this message]
2021-04-22 13:42 ` [PATCH 0/2] arm64: ACPI GTDT watchdog fixes Hanjun Guo
2021-04-22 14:23 ` Lorenzo Pieralisi
2021-04-23 13:43 ` Catalin Marinas
2021-04-23 17:11 ` Catalin Marinas
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