linux-kernel - Re: [PATCH v3 08/16] irqchip/gic: Configure SGIs as standard interrupts

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Message-ID: <933bc43e-3cd7-10ec-b9ec-58afaa619fb7@nvidia.com>
Date:   Wed, 16 Sep 2020 15:16:35 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Marc Zyngier <maz@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Sumit Garg <sumit.garg@...aro.org>, <kernel-team@...roid.com>,
        "Florian Fainelli" <f.fainelli@...il.com>,
        Russell King <linux@....linux.org.uk>,
        Jason Cooper <jason@...edaemon.net>,
        Saravana Kannan <saravanak@...gle.com>,
        Andrew Lunn <andrew@...n.ch>,
        Catalin Marinas <catalin.marinas@....com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "'Linux Samsung SOC'" <linux-samsung-soc@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>,
        Valentin Schneider <Valentin.Schneider@....com>,
        linux-tegra <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v3 08/16] irqchip/gic: Configure SGIs as standard
 interrupts

Hi Marc,

On 14/09/2020 14:06, Marek Szyprowski wrote:
> Hi Marc,
> 
> On 01.09.2020 16:43, Marc Zyngier wrote:
>> Change the way we deal with GIC SGIs by turning them into proper
>> IRQs, and calling into the arch code to register the interrupt range
>> instead of a callback.
>>
>> Reviewed-by: Valentin Schneider <valentin.schneider@....com>
>> Signed-off-by: Marc Zyngier <maz@...nel.org>
> This patch landed in linux next-20200914 as commit ac063232d4b0 
> ("irqchip/gic: Configure SGIs as standard interrupts"). Sadly it breaks 
> booting of all Samsung Exynos 4210/4412 based boards (dual/quad ARM 
> Cortex A9 based). Here are the last lines from the bootlog:

I am observing the same thing on several Tegra boards (both arm and
arm64). Bisect is pointing to this commit. Reverting this alone does not
appear to be enough to fix the issue.

Cheers
Jon

-- 
nvpublic