Apple, Nvidia, Qualcomm, Marvell, and Cavium all make custom ARM cores and none of them have any info on whether their cores are affected by Spectre/Meltdown and available mitigations. Don't forget about non-Cortex cores!
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Apple have stated that their devices are affected
But have given zero details as to what CPU microarchitectures and what bugs specifically.
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Not quite zero detail -- have you seen this yet? https://support.apple.com/en-us/HT208394 If you read that document closely: -Meltdown affects not just Intel CPUs but also Apple A-series CPUs, but it does not affect S-series (Watch) CPUs -Spectre affects Intel, A-series, and S-series
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Saying A-series CPUs are affected is meaningless, because that includes A-series CPUs with Cortex cores. We need a breakdown per actual vuln (curse the guys who called *two* vulns "spectre") and CPU µarch.
End of conversation
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