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

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Message-ID: <e757da2ab2452da6dbaf98a752688eaf@kernel.org>
Date:   Fri, 18 Sep 2020 09:24:04 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Jon Hunter <jonathanh@...dia.com>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Sumit Garg <sumit.garg@...aro.org>,
        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>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Valentin Schneider <Valentin.Schneider@....com>,
        Will Deacon <will@...nel.org>,
        Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>, kernel-team@...roid.com,
        Gregory Clement <gregory.clement@...tlin.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 08/16] irqchip/gic: Configure SGIs as standard
 interrupts

On 2020-09-17 19:24, Jon Hunter wrote:
> On 17/09/2020 15:53, Jon Hunter wrote:
> 
> ...
> 
>>> next-20200916 completely broken on ARM and ARM64. Please check
>>> next-20200915 + the mentioned fix or just check
>>> https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=irq/ipi-as-irq
>> 
>> OK, I have confirmed that on Tegra20 and Tegra30, that next-20200915 +
>> Marc's fix boots fine.
>> 
>> Tegra186 and Tegra194 are not booting, but I am wondering if this is 
>> yet
>> another issue that is not related. I have not actually bisected on 
>> these
>> boards, but I am now bisecting on Tegra186 to confirm.
> 
> Hmm ... well bisect on Tegra186 is also pointing to this commit, but 
> the
> fix is not working there. Wonder what's going on with this gic-400?

It's not GIC400. I have tons of machines with GIC400 around me, and they
don't even need the fix. What happens if you only boot the non-Denver 
CPUs?

         M.
-- 
Jazz is not dead. It just smells funny...