linux-kernel - Re: [PATCH] PCI: qcom-ep: Treat unknown irq events as an error

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20230825163613.GA131548@rocinante>
Date:   Sat, 26 Aug 2023 01:36:13 +0900
From:   Krzysztof Wilczyński <kw@...ux.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: qcom-ep: Treat unknown irq events as an error

Hello,

> Sometimes, the Qcom PCIe EP controller can receive some interrupts that are
> not known to the driver like safety interrupts in newer SoCs. In those
> cases, if the driver doesn't clear the interrupts, then it will end up in
> interrupt storm. But the users won't have any idea about it due to the log
> being treated as a debug message.
> 
> So let's treat the unknown event log as an error, so that it at least makes
> the user aware, thereby getting fixed eventually.

Applied to controller/qcom-ep, thank you!

[1/1] PCI: qcom-ep: Treat unknown IRQ events as an error
      https://git.kernel.org/pci/pci/c/4f4371b9617b

	Krzysztof