IBM: Enabling secure boot on PowerNV systems

Claudio Carvalho of IBM submitted a 4-part patch to the Linux kernel to the linux(ppc-dev,-efi,-integrity,-kernel) lists.

This patch set is part of a series that implements secure boot on PowerNV systems.

See the comments for more info:

https://marc.info/?l=linux-efi&m=155422892907675&w=2

(I haven’t had time today to look at this code, but presume I think this means getting OPAL firmware to support Linux’s implementation of UEFI’s Secure Boot. There are two separate OpenPOWER UEFI implementations, neither of which are official, but I don’t think either of those are needed for this.)

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