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.