[PATCH v2 0/3] arm64: relax Image placement requirement
Lorenzo Pieralisi
lorenzo.pieralisi at arm.com
Mon Mar 23 03:45:37 PDT 2015
On Mon, Mar 23, 2015 at 09:07:23AM +0000, Ard Biesheuvel wrote:
> 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
Patch 1 and 2 do not apply for me, what tree/commit are they based against ?
Please let me know so that I can give patch 3 a go.
Thanks,
Lorenzo
>
>
> 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(-)
>
> --
> 1.8.3.2
>
>
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