arm64: percpu: implement optimised pcpu access using tpidr_el1

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This patch implements optimised percpu variable accesses using the
el1 r/w thread register (tpidr_el1) along the same lines as arch/arm/.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Will Deacon 2013-11-05 18:10:47 +00:00 • committed by Catalin Marinas

parent 66aa8d6a14

commit 7158627686

4 changed files with 55 additions and 3 deletions

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1

arch/arm64/include/asm/Kbuild

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41

arch/arm64/include/asm/percpu.h

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10

arch/arm64/kernel/setup.c

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6

arch/arm64/kernel/smp.c

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