arm64: arch_timer: Allows a CPU-specific erratum to only affect a subset of CPUs

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Instead of applying a CPU-specific workaround to all CPUs in the system,
allow it to only affect a subset of them (typical big-little case).

This is done by turning the erratum pointer into a per-CPU variable.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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This commit is contained in:

Marc Zyngier 2017-02-20 18:34:48 +00:00

parent 8c64621bf9

commit 6acc71ccac

2 changed files with 50 additions and 23 deletions

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29

arch/arm64/include/asm/arch_timer.h

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42

drivers/clocksource/arm_arch_timer.c

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