On Mon, Oct 28, 2019 at 08:14:18PM +0000, Will Deacon wrote: > Hmm. Is this a recent thing? Neither kpti nor the snapdragon 820 are It's in mainline, don't seem to have any results from Bjorn's lab for stable. > particular new. Might be worth checking that CONFIG_QCOM_FALKOR_ERRATUM_1003 > is enabled and getting patched in at runtime -- we had hardware issues > during kpti development with this CPU. It's enabled in defconfig: https://storage.kernelci.org/next/master/next-20191028/arm64/defconfig/gcc-8/kernel.config but I can't see any sign that it's been announced in the boot log: https://storage.kernelci.org/next/master/next-20191028/arm64/defconfig/gcc-8/lab-bjorn/boot-apq8096-db820c.html so that might be it.
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