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Rasmus Villemoes <ravi@prevas.dk> says: Doing bringup of a board, part of my bootstrap logic is in U-Boot. So when tweaking that logic, I was bitten by a previous completed bootstrap having left a copy of the environment on the device, which was imported and thus overrided the new logic. So I thought, "ok, I'll just make sure to put 'env default -a' as the first part of the bootstrap logic so I'm not bitten again". Alas, my logic also relies on certain variables that are set by C code (e.g. for detecting board variant), and doing 'env default -a' also eliminates those. Looking around, the hashtab code already supports a flag that does exactly what I need, and exposing that is (morally) a one-liner. Link: https://lore.kernel.org/r/20241030213404.2894247-1-ravi@prevas.dk