[PATCH 1/9] arm64/efi: split off EFI init and runtime code for reuse by 32-bit ARM

[Ard Biesheuvel]

On 10 October 2015 at 22:53, Matt Fleming <matt at codeblueprint.co.uk> wrote:
> On Thu, 01 Oct, at 07:04:15PM, Ard Biesheuvel wrote:
>> This splits off the early EFI init and runtime code that
>> - discovers the EFI params and the memory map from the FDT, and installs
>>   the memblocks and config tables.
>> - prepares and installs the EFI page tables so that UEFI Runtime Services
>>   can be invoked at the virtual address installed by the stub.
>>
>> This will allow it to be reused for 32-bit ARM.
>>
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
>> ---
>>  arch/arm64/kernel/efi.c            | 363 +-------------------
>>  drivers/firmware/efi/Makefile      |   4 +-
>>  drivers/firmware/efi/arm-init.c    | 214 ++++++++++++
>>  drivers/firmware/efi/arm-runtime.c | 191 ++++++++++
>>  4 files changed, 409 insertions(+), 363 deletions(-)
>
> [...]
>
>> +static int uefi_debug __initdata;
>> +static int __init uefi_debug_setup(char *str)
>> +{
>> +     uefi_debug = 1;
>> +
>> +     return 0;
>> +}
>> +early_param("uefi_debug", uefi_debug_setup);
>
> Was this hunk an unintentional reintroduction of the code Leif deleted
> in commit a9cc0cf5701b ("arm64: Use core efi=debug instead of
> uefi_debug command line parameter")?
>

Indeed. I will get rid of it on v2