arm64: Add per-cpu infrastructure to call ARCH_WORKAROUND_2

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In a heterogeneous system, we can end up with both affected and
unaffected CPUs. Let's check their status before calling into the
firmware.

Reviewed-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Marc Zyngier 2018-05-29 13:11:07 +01:00 • committed by Catalin Marinas

parent 8e2906245f

commit 5cf9ce6e5e

2 changed files with 9 additions and 4 deletions

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2

arch/arm64/kernel/cpu_errata.c

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11

arch/arm64/kernel/entry.S

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