[PATCH v2 0/3] arm64: relax Image placement requirement

[Ard Biesheuvel]

So as it turns out, the 512 MB alignment boundary restriction appears
to have been introduced by accident when increasing the ID map to cover
the entire kernel Image.

So this reverts that change, by reducing the ID map to something that
can never cross a 512 MB boundary by construction.

Patch #1 removes some functions that are unused, so that I don't have
to worry about them in patch #2

Patch #2 introduces the reduced ID map, using a separate linker section
that contains code the manipulates the state of the MMU.

Patch #3 removes the sleep_idmap_phys global which always points to
the ID map anyway


Ard Biesheuvel (3):
  arm64: remove soft_restart() and friends
  arm64: reduce ID map to a single page
  arm64: drop sleep_idmap_phys

 arch/arm64/include/asm/mmu.h         |  1 -
 arch/arm64/include/asm/proc-fns.h    |  3 ---
 arch/arm64/include/asm/system_misc.h |  1 -
 arch/arm64/kernel/head.S             | 13 +++++++------
 arch/arm64/kernel/process.c          | 12 +-----------
 arch/arm64/kernel/sleep.S            |  9 ++++-----
 arch/arm64/kernel/suspend.c          |  3 ---
 arch/arm64/kernel/vmlinux.lds.S      | 11 ++++++++++-
 arch/arm64/mm/mmu.c                  | 11 -----------
 arch/arm64/mm/proc.S                 | 33 ---------------------------------
 10 files changed, 22 insertions(+), 75 deletions(-)

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1.8.3.2