linux-kernel - Re: [PATCH v4 4/6] partitions/efi: Support GPT entry lookup at a non-standard location

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Message-ID: <20200515100320.GB30674@tack.einval.com>
Date:   Fri, 15 May 2020 11:03:30 +0100
From:   Steve McIntyre <steve@...val.com>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        David Heidelberg <david@...t.cz>,
        Peter Geis <pgwipeout@...il.com>,
        Stephen Warren <swarren@...dotorg.org>,
        Nicolas Chauvet <kwizart@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Billy Laws <blaws05@...il.com>,
        Nils Östlund <nils@...tan.com>,
        Christoph Hellwig <hch@...radead.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Davidlohr Bueso <dave@...olabs.net>,
        linux-tegra@...r.kernel.org, linux-block@...r.kernel.org,
        Andrey Danin <danindrey@...l.ru>,
        Gilles Grandou <gilles@...ndou.net>,
        Ryan Grachek <ryan@...ted.us>, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-efi <linux-efi@...r.kernel.org>
Subject: Re: [PATCH v4 4/6] partitions/efi: Support GPT entry lookup at a
 non-standard location

On Fri, May 15, 2020 at 04:41:41AM +0300, Dmitry Osipenko wrote:
>Most of consumer-grade NVIDIA Tegra devices use a proprietary bootloader
>that can't be easily replaced because it's locked down using Secure Boot
>cryptography singing and the crypto keys aren't given to a device owner.
              ^^^^^^^ typo
>These devices usually have eMMC storage that is partitioned using a custom
>NVIDIA Tegra partition table format.  Of course bootloader and other
>"special things" are stored on the eMMC storage, and thus, the partition
>format can't be changed.

...

-- 
Steve McIntyre, Cambridge, UK.                                steve@...val.com
"Further comment on how I feel about IBM will appear once I've worked out
 whether they're being malicious or incompetent. Capital letters are forecast."
 Matthew Garrett, http://www.livejournal.com/users/mjg59/30675.html