linux-kernel - Re: [PATCH v4 4/6] arm64: Utilize phys_initrd_start/phys_initrd

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Date:   Thu, 15 Nov 2018 17:45:33 +0000
From:   Will Deacon <will.deacon@....com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Robin Murphy <robin.murphy@....com>,
        Laura Abbott <labbott@...hat.com>,
        Stefan Agner <stefan@...er.ch>,
        Johannes Weiner <hannes@...xchg.org>,
        Greg Hackmann <ghackmann@...roid.com>,
        Kristina Martsenko <kristina.martsenko@....com>,
        CHANDAN VN <chandan.vn@...sung.com>,
        "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE" 
        <devicetree@...r.kernel.org>, rppt@...ux.ibm.com,
        linux@...linux.org.uk, green.hu@...il.com, deanbo422@...il.com,
        gxt@....edu.cn, ard.biesheuvel@...aro.org,
        linux-snps-arc@...ts.infradead.org, vgupta@...opsys.com
Subject: Re: [PATCH v4 4/6] arm64: Utilize phys_initrd_start/phys_initrd_size

On Mon, Nov 05, 2018 at 02:54:29PM -0800, Florian Fainelli wrote:
> ARM64 is the only architecture that re-defines
> __early_init_dt_declare_initrd() in order for that function to populate
> initrd_start/initrd_end with physical addresses instead of virtual
> addresses. Instead of having an override we can leverage
> drivers/of/fdt.c populating phys_initrd_start/phys_initrd_size to
> populate those variables for us.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  arch/arm64/mm/init.c | 20 ++++++++------------
>  1 file changed, 8 insertions(+), 12 deletions(-)

Looks ok to me:

Acked-by: Will Deacon <will.deacon@....com>

Will