On Fri, Jan 24, 2020 at 12:08:20PM -0800, Florian Fainelli wrote: > From: Will Deacon <will.deacon@xxxxxxx> > > commit 2a355ec25729053bb9a1a89b6c1d1cdd6c3b3fb1 upstream. > > While the CSV3 field of the ID_AA64_PFR0 CPU ID register can be checked > to see if a CPU is susceptible to Meltdown and therefore requires kpti > to be enabled, existing CPUs do not implement this field. > > We therefore whitelist all unaffected Cortex-A CPUs that do not implement > the CSV3 field. > > Signed-off-by: Will Deacon <will.deacon@xxxxxxx> > [florian: adjust whilelist location and table to stable-4.9.y] > Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Thanks for the backport, now applied. greg k-h