[PATCH v2 0/2] Fix arm64 CONFIG_CMDLINE handling and remove CMDLINE_EXTEND

[Will Deacon]

Hi again,

This is version two of the series I previously posted here:

	https://lore.kernel.org/r/20210225125921.13147-1-will@xxxxxxxxxx

The main change since v1 is that, rather than "fix" the FDT code to
follow the documented behaviour for CMDLINE_EXTEND, I've opted to remove
the thing entirely for arm64 while a less ambiguous and generic
replacement is developed, probably based on either [1] or [2].

I've left the first-patch as-is so that it's easier to incorporate
whatever ends up replacing CMDLINE_EXTEND in future.

Cheers,

Will

[1] https://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1554195798.git.christophe.leroy@xxxxxx/
[2] https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20190319232448.45964-2-danielwa@xxxxxxxxx/

--->8

Cc: Max Uvarov <muvarov@xxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Ard Biesheuvel <ardb@xxxxxxxxxx>
Cc: Marc Zyngier <maz@xxxxxxxxxx>
Cc: Doug Anderson <dianders@xxxxxxxxxxxx>
Cc: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx>
Cc: Frank Rowand <frowand.list@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: <kernel-team@xxxxxxxxxxx>
Cc: <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: <devicetree@xxxxxxxxxxxxxxx>

Will Deacon (2):
  arm64: cpufeatures: Fix handling of CONFIG_CMDLINE for idreg overrides
  arm64: Drop support for CMDLINE_EXTEND

 arch/arm64/Kconfig                 |  6 -----
 arch/arm64/kernel/idreg-override.c | 43 ++++++++++++++++--------------
 2 files changed, 23 insertions(+), 26 deletions(-)

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2.30.1.766.gb4fecdf3b7-goog