linux-kernel - Re: [PATCH v3 2/3] genirq: Always limit the affinity to online CPUs

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Message-ID: <70123e98-046f-f10e-1032-8d112edd3ecf@linaro.org>
Date:   Wed, 20 Apr 2022 11:13:52 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Marc Zyngier <maz@...nel.org>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        'Linux Samsung SOC' <linux-samsung-soc@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        John Garry <john.garry@...wei.com>,
        Xiongfeng Wang <wangxiongfeng2@...wei.com>,
        David Decotigny <ddecotig@...gle.com>
Subject: Re: [PATCH v3 2/3] genirq: Always limit the affinity to online CPUs

On 14/04/2022 13:08, Marek Szyprowski wrote:
>> Thanks for all of the debug, super helpful. The issue is that we don't
>> handle the 'force' case, which a handful of drivers are using when
>> bringing up CPUs (and doing so before the CPUs are marked online).
>>
>> Can you please give the below hack a go?
> 
> This patch fixed the issue. Thanks! Feel free to add my:
> 
> Reported-by: Marek Szyprowski <m.szyprowski@...sung.com>
> 
> Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>

Hi Marc,

Linux-next still fails to boot on Exynos5422 boards, so I wonder if you
applied the fix?

Instead of silent fail there is now "Unable to handle kernel paging
request at virtual address f0836644", so it is slightly different.

See the dmesg:
https://krzk.eu/#/builders/21/builds/3542/steps/15/logs/serial0


Best regards,
Krzysztof