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

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Message-ID: <63815f37-6a82-27c2-10e9-2649b2c864a0@kapsi.fi>
Date:   Wed, 16 Sep 2020 22:26:14 +0300
From:   Mikko Perttunen <cyndis@...si.fi>
To:     Jon Hunter <jonathanh@...dia.com>, Marc Zyngier <maz@...nel.org>
Cc:     Sumit Garg <sumit.garg@...aro.org>, linus.walleij@...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>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        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,
        Valentin Schneider <Valentin.Schneider@....com>,
        linux-arm-kernel@...ts.infradead.org,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v3 08/16] irqchip/gic: Configure SGIs as standard
 interrupts

Not sure which boards this issue is happening on, but looking at my 
hobby kernel's git history (from a couple of years ago, memory is a bit 
hazy), the commit labeled "Add support for TX2" adds code to drop from 
EL2 to EL1 at boot.

Mikko

On 9/16/20 10:06 PM, Jon Hunter wrote:
> On 16/09/2020 17:22, Marc Zyngier wrote:
>> Do you boot form EL2?
> 
> Not that I am aware of. There is no hypervisor that we are using.
> 
> Jon
>