Thread (43 messages) 43 messages, 5 authors, 2026-01-15

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

From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: 2025-12-10 10:54:22
Also in: kvm, kvmarm, linux-doc, linux-kselftest, linux-perf-users, lkml

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@arm.com>
Signed-off-by: Colton Lewis <redacted>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>

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