[PATCH] efi: Do not import certificates from UEFI Secure Boot for T2 Macs

Wed Feb 9 16:49:57 UTC 2022

On Wed, Feb 09, 2022 at 02:27:51PM +0000, Aditya Garg wrote:
> From: Aditya Garg <gargaditya08 at live.com>
> 
> On T2 Macs, the secure boot is handled by the T2 Chip. If enabled, only
> macOS and Windows are allowed to boot on these machines. Thus we need to
> disable secure boot for Linux. If we boot into Linux after disabling
> secure boot, if CONFIG_LOAD_UEFI_KEYS is enabled, EFI Runtime services
> fail to start, with the following logs in dmesg

Which specific variable request is triggering the failure? Do any 
runtime variable accesses work on these machines?