[PATCH v3 03/25] arm64: cpufeature: add Permission Overlay Extension cpucap

[Mark Brown]

On Fri, Nov 24, 2023 at 04:34:48PM +0000, Joey Gouly wrote:
> This indicates if the system supports POE. This is a CPUCAP_BOOT_CPU_FEATURE
> as the boot CPU will enable POE if it has it, so secondary CPUs must also
> have this feature.
> 
> Add a new config option: ARM64_POE

For bisection purposes if nothing else I'd expect to see the Kconfig
option added after everything else is in place so that we don't build a
kernel image which has partial POE support available and confuse things,
with no way to enable the config option earlier patches which just build
the !POE case until everything is ready.
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