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(parent: 59d2f28) | patch
ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash
authorArd Biesheuvel <ardb@kernel.org>
Mon, 14 Sep 2020 08:25:34 +0000 (11:25 +0300)
committerArd Biesheuvel <ardb@kernel.org>
Wed, 28 Oct 2020 16:05:40 +0000 (17:05 +0100)
commitd74d2b225018baa0e04e080ee9e80b21667ba3a2
treebeab63e6f5b0cce1ef732031af7940a90db4dc1btree | snapshot
parent59d2f2827dfdccf8911d5e51465136b52ba623c4commit | diff
ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash

Replace the open coded PC relative offset calculations with adr_l and
ldr_l invocations. This removes some open coded PC relative arithmetic,
avoids literal pools on v7+, and slightly reduces the footprint of the
code. Note that ALT_SMP() expects a single instruction so move the macro
invocation after it.

Reviewed-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
arch/arm/kernel/sleep.S diff | blob | history
Domain: System / Kernel;