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Subject: Re: [PATCH 7/8] ARM64: dts: amlogic: Extend GXBaby GIC node
To: =?UTF-8?Q?Andreas_F=c3=a4rber?= <afaerber@suse.de>,
        Andre Przywara <andre.przywara@arm.com>, linux-meson@googlegroups.com
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 <56D57673.8030702@arm.com> <56D57A7F.5020806@suse.de>
Cc: Mark Rutland <mark.rutland@arm.com>,
        devicetree <devicetree@vger.kernel.org>,
        Pawel Moll <pawel.moll@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Nicolas Saenz <nicolassaenzj@gmail.com>,
        Will Deacon <will.deacon@arm.com>, LKML <linux-kernel@vger.kernel.org>,
        Rob Herring <robh+dt@kernel.org>, Kumar Gala <galak@codeaurora.org>,
        Carlo Caione <carlo@caione.org>, linux-arm-kernel@lists.infradead.org
From: Matthias Brugger <mbrugger@suse.com>
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Date: Tue, 1 Mar 2016 12:42:12 +0100
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On 01/03/16 12:18, Andreas Färber wrote:
> Hi Andre,
>
> Am 01.03.2016 um 12:01 schrieb Andre Przywara:
>> On 29/02/16 23:44, Andreas Färber wrote:
>>> Add GICH and GICV resources for HYP mode - guess based on other vendors.
>>
>> Do you know if the firmware allows the kernel to be entered in EL2
>> (which is the arm64 name for HYP)?
>> So can we run kvm?
>> If you have a booted kernel, can you grep for "EL2" and "kvm" in the dmesg?
>
> I do not have a rootfs yet (MMC v5 patches by Carlo are still waiting
> for review), but with this change the KVM driver initializes okay - the
> purpose of this patch!
>
>> Also you should merge this patch into 3/8, same for 8/8.
>
> If people confirm this is generally or specifically for this SoC correct
> then sure. So far 3/8 seems a safe subset for lack of public documentation.
>

Yes, this is generally correct. Actually without 8/8 you won't be able 
to run an initramfs.

Regards,
Matthias