Re: [PATCH v3 00/10] Introduce NVIDIA Tegra Partition Table

[Dmitry Osipenko]

23.03.2020 19:34, Dmitry Osipenko ÐÐÑÐÑ:
> Some NVIDIA Tegra devices have GPT entry at a wrong location and others may
> even not have it at all. So either a custom workaround for GPT parsing or
> TegraPT support is needed for those devices if we want to support them in
> upstream kernel. The former solution was already rejected [1], let's try
> the latter.
> 
> [1] https://patchwork.ozlabs.org/patch/1240809/
> 
> Big thanks to everyone who helped with figuring out the TegraPT format!
> 
> Changelog:
> 
> v3: - Fixed "BUG: KASAN: slab-out-of-bounds in tegra_partition". Thanks to
>       Peter Geis for noticing the problem.
> 
>     - The MMC boot partitions scanning is now opt-in. See this patch:
> 
>         mmc: block: Support partition-table scanning on boot partitions
> 
>     - The found MMC boot partitions won't be assigned to the MMC boot
>       block device ever due to the new GENHD_FL_PART_SCAN_ONCE flag.
> 
>       This makes us to ensure that the old behavior of the MMC core is
>       preserved for a non-Tegra MMC-block users.
> 
>     New patches in v3:
> 
>         block: Introduce GENHD_FL_PART_SCAN_ONCE
>         mmc: sdhci-tegra: Enable boot partitions scanning on Tegra20 and Tegra30

I forgot to mention that the TegraPT Kconfig entry now depends on MMC,
which was suggested by Randy Dunlap in the review comment to the v2.