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SubjectRe: [PATCH v6 04/10] arm64: Advertise mitigation of Spectre-v2, or lack thereof
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On 21/03/2019 23:05, Jeremy Linton wrote:
> From: Marc Zyngier <marc.zyngier@arm.com>
>
> We currently have a list of CPUs affected by Spectre-v2, for which
> we check that the firmware implements ARCH_WORKAROUND_1. It turns
> out that not all firmwares do implement the required mitigation,
> and that we fail to let the user know about it.
>
> Instead, let's slightly revamp our checks, and rely on a whitelist
> of cores that are known to be non-vulnerable, and let the user know
> the status of the mitigation in the kernel log.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> [This makes more sense in front of the sysfs patch]
> [Pick pieces of that patch into this and move it earlier]
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
> Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
> ---

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>

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