[PATCH v5 01/24] arm64: cpufeature: Add cpucap for HPMN0

Suzuki K Poulose suzuki.poulose at arm.com
Wed Dec 10 02:54:10 PST 2025


On 09/12/2025 20:50, Colton Lewis wrote:
> Add a capability for FEAT_HPMN0, whether MDCR_EL2.HPMN can specify 0
> counters reserved for the guest.
> 
> This required changing HPMN0 to an UnsignedEnum in tools/sysreg
> because otherwise not all the appropriate macros are generated to add
> it to arm64_cpu_capabilities_arm64_features.
> 
> Acked-by: Mark Rutland <mark.rutland at arm.com>
> Signed-off-by: Colton Lewis <coltonlewis at google.com>

Reviewed-by: Suzuki K Poulose <suzuki.poulose at arm.com>




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