Rob Herring abf532ccea KVM: arm64: Print warning when cpu erratum can cause guests to deadlock ...

If guests don't have certain CPU erratum workarounds implemented, then
there is a possibility a guest can deadlock the system. IOW, only trusted
guests should be used on systems with the erratum.

This is the case for Cortex-A57 erratum 832075.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Julien Thierry <julien.thierry.kdev@gmail.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: kvmarm@lists.cs.columbia.edu
Link: https://lore.kernel.org/r/20200803193127.3012242-2-robh@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

2020-08-21 12:23:09 +01:00

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