Messages in this thread | | | From | Valentin Schneider <> | Subject | Re: [PATCH v4 1/7] arm64: add support for the AMU extension v1 | Date | Mon, 24 Feb 2020 18:39:37 +0000 |
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Ionela Voinescu writes:
> The activity monitors extension is an optional extension introduced > by the ARMv8.4 CPU architecture. This implements basic support for > version 1 of the activity monitors architecture, AMUv1. > > This support includes: > - Extension detection on each CPU (boot, secondary, hotplugged) > - Register interface for AMU aarch64 registers > - amu=[0/1/on/off/y/n] kernel parameter to disable detection and > counter access at runtime > > Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com> > Cc: Marc Zyngier <maz@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
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