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

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Message-ID: <1831a66f81bbacc337329a8b57297d83@kernel.org>
Date:   Thu, 17 Sep 2020 10:29:01 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     Jon Hunter <jonathanh@...dia.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel@...r.kernel.org, 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

On 2020-09-17 10:13, Marek Szyprowski wrote:

[...]

>>>> Linus, what -next are you testing on? I am using next-20200916.
>>> 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
>> Ah thanks! Any idea what is causing the other failure on 
>> next-20200916?
>> 
>> Yes we have noticed that now everything fails next-20200916 so not 
>> just
>> this issue.
> 
> The issue is caused by commit c999bd436fe9 ("mm/cma: make number of CMA
> areas dynamic, remove CONFIG_CMA_AREAS")
> 
> https://lore.kernel.org/linux-arm-kernel/20200915205703.34572-1-mike.kravetz@oracle.com/

There is a workaround here[1] for arm64, but I doubt that's the end of
it (32bit is still dead).

         M.

[1] 
https://lore.kernel.org/linux-arm-kernel/20200916085933.25220-1-song.bao.hua@hisilicon.com/
-- 
Jazz is not dead. It just smells funny...