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arm64: efi: Use SMBIOS processor version to key off Ampere quirk
commit eb68440 upstream. 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: 550b33c ("arm64: efi: Force the use of ...") Tested-by: Andrea Righi <andrea.righi@canonical.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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