23.03.2020 19:34, Dmitry Osipenko пишет: > 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.