arm64: KVM: Make PSCI_VERSION a fast path

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For those CPUs that require PSCI to perform a BP invalidation,
going all the way to the PSCI code for not much is a waste of
precious cycles. Let's terminate that call as early as possible.

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

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Marc Zyngier 2018-01-03 16:38:37 +00:00 • committed by Catalin Marinas

parent 6840bdd73d

commit 90348689d5

1 changed files with 13 additions and 0 deletions

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arch/arm64/kvm/hyp/switch.c

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