From: Valentin Schneider <valentin.schneider@arm.com>
To: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com,
maz@kernel.org, suzuki.poulose@arm.com, sudeep.holla@arm.com,
lukasz.luba@arm.com, dietmar.eggemann@arm.com, rjw@rjwysocki.net,
peterz@infradead.org, mingo@redhat.com,
vincent.guittot@linaro.org, viresh.kumar@linaro.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v4 1/7] arm64: add support for the AMU extension v1
Date: Mon, 24 Feb 2020 18:39:37 +0000 [thread overview]
Message-ID: <jhjpne3ygmm.fsf@arm.com> (raw)
In-Reply-To: <20200224141142.25445-2-ionela.voinescu@arm.com>
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>
WARNING: multiple messages have this Message-ID (diff)
From: Valentin Schneider <valentin.schneider@arm.com>
To: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: mark.rutland@arm.com, maz@kernel.org, suzuki.poulose@arm.com,
peterz@infradead.org, catalin.marinas@arm.com,
linux-pm@vger.kernel.org, linux-doc@vger.kernel.org,
rjw@rjwysocki.net, linux-kernel@vger.kernel.org,
mingo@redhat.com, viresh.kumar@linaro.org,
linux-arm-kernel@lists.infradead.org, sudeep.holla@arm.com,
will@kernel.org, dietmar.eggemann@arm.com, lukasz.luba@arm.com
Subject: Re: [PATCH v4 1/7] arm64: add support for the AMU extension v1
Date: Mon, 24 Feb 2020 18:39:37 +0000 [thread overview]
Message-ID: <jhjpne3ygmm.fsf@arm.com> (raw)
In-Reply-To: <20200224141142.25445-2-ionela.voinescu@arm.com>
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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next prev parent reply other threads:[~2020-02-24 18:40 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-24 14:11 [PATCH v4 0/7] arm64: ARMv8.4 Activity Monitors support Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 14:11 ` [PATCH v4 1/7] arm64: add support for the AMU extension v1 Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 18:39 ` Valentin Schneider [this message]
2020-02-24 18:39 ` Valentin Schneider
2020-02-24 14:11 ` [PATCH v4 2/7] arm64: trap to EL1 accesses to AMU counters from EL0 Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 14:11 ` [PATCH v4 3/7] arm64/kvm: disable access to AMU registers from kvm guests Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 14:11 ` [PATCH v4 4/7] Documentation: arm64: document support for the AMU extension Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 14:11 ` [PATCH v4 5/7] cpufreq: add function to get the hardware max frequency Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 18:44 ` Valentin Schneider
2020-02-24 18:44 ` Valentin Schneider
2020-02-24 14:11 ` [PATCH v4 6/7] arm64: use activity monitors for frequency invariance Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
2020-02-24 18:40 ` Valentin Schneider
2020-02-24 18:40 ` Valentin Schneider
2020-02-25 9:59 ` Lukasz Luba
2020-02-25 9:59 ` Lukasz Luba
2020-02-26 10:18 ` Ionela Voinescu
2020-02-26 10:18 ` Ionela Voinescu
2020-02-26 9:51 ` Pavan Kondeti
2020-02-26 9:51 ` Pavan Kondeti
2020-02-26 10:22 ` Ionela Voinescu
2020-02-26 10:22 ` Ionela Voinescu
2020-02-24 14:11 ` [PATCH v4 7/7] clocksource/drivers/arm_arch_timer: validate arch_timer_rate Ionela Voinescu
2020-02-24 14:11 ` Ionela Voinescu
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