ARM: head-common.S: use PC-relative insn sequence for idmap creation

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Replace the open coded PC relative offset calculations involving
__turn_mmu_on and __turn_mmu_on_end with a pair of adr_l invocations.
This removes some open coded arithmetic involving virtual addresses,
avoids literal pools on v7+, and slightly reduces the footprint of the
code.

Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Ard Biesheuvel 2020-09-14 11:25:16 +03:00

parent 62c4a2e202

commit 172c34c9ff

1 changed files with 2 additions and 10 deletions

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arch/arm/kernel/head.S

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