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/openbmc/linux/drivers/firmware/efi/libstub/
H A Dsmbios.ceb684408 Tue Feb 28 10:00:49 CST 2023 Ard Biesheuvel <ardb@kernel.org> arm64: efi: Use SMBIOS processor version to key off Ampere quirk

Instead of using the SMBIOS type 1 record 'family' field, which is often
modified by OEMs, use the type 4 'processor ID' and 'processor version'
fields, which are set to a small set of probe-able values on all known
Ampere EFI systems in the field.

Fixes: 550b33cfd4452968 ("arm64: efi: Force the use of ...")
Tested-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
H A Darm64.ceb684408 Tue Feb 28 10:00:49 CST 2023 Ard Biesheuvel <ardb@kernel.org> arm64: efi: Use SMBIOS processor version to key off Ampere quirk

Instead of using the SMBIOS type 1 record 'family' field, which is often
modified by OEMs, use the type 4 'processor ID' and 'processor version'
fields, which are set to a small set of probe-able values on all known
Ampere EFI systems in the field.

Fixes: 550b33cfd4452968 ("arm64: efi: Force the use of ...")
Tested-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
H A Defistub.heb684408 Tue Feb 28 10:00:49 CST 2023 Ard Biesheuvel <ardb@kernel.org> arm64: efi: Use SMBIOS processor version to key off Ampere quirk

Instead of using the SMBIOS type 1 record 'family' field, which is often
modified by OEMs, use the type 4 'processor ID' and 'processor version'
fields, which are set to a small set of probe-able values on all known
Ampere EFI systems in the field.

Fixes: 550b33cfd4452968 ("arm64: efi: Force the use of ...")
Tested-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>