On Wed, 2019-06-19 at 12:27 +0100, David Woodhouse wrote:
> For CSM, the highest priority is zero. In SeaBIOS that means "don't", and
> the highest priority is 1.
> 
> So we end up with the fun outcome that booting from NVMe worked only
> when it *wasn't* selected as the primary boot target, because we don't
> actually run the nvme_controller_setup() thread for an NVMe controller
> if its boot prio is zero.
> 
> Signed-off-by: David Woodhouse <dw...@infradead.org>


Hm, turns out the NVMe hack is something that's only in our tree so for
upstream that second paragraph is a lie and can be dropped.

It's still a correct change to reflect the fact that SeaBIOS doesn't
use zero for the highest priority, and correctly handle
BBS_DO_NOT_BOOT_FROM and BBS_IGNORE_ENTRY values.

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