Messages in this thread | | | Date | Tue, 28 Jan 2020 09:08:07 +0100 | From | Greg KH <> | Subject | Re: [PATCH stable 4.9] arm64: kpti: Whitelist Cortex-A CPUs that don't implement the CSV3 field |
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On Fri, Jan 24, 2020 at 12:08:20PM -0800, Florian Fainelli wrote: > From: Will Deacon <will.deacon@arm.com> > > 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@arm.com> > [florian: adjust whilelist location and table to stable-4.9.y] > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Thanks for the backport, now applied.
greg k-h
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