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Message-ID: <6dcbfe5b-2502-0f04-81dc-a4b19e231f06@redhat.com>
Date:   Mon, 23 Oct 2023 17:25:38 +0200 (CEST)
From:   Sebastian Ott <sebott@...hat.com>
To:     Raghavendra Rao Ananta <rananta@...gle.com>
cc:     Oliver Upton <oliver.upton@...ux.dev>,
        Marc Zyngier <maz@...nel.org>,
        Alexandru Elisei <alexandru.elisei@....com>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Shaoqin Huang <shahuang@...hat.com>,
        Jing Zhang <jingzhangos@...gle.com>,
        Reiji Watanabe <reijiw@...gle.com>,
        Colton Lewis <coltonlewis@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v8 02/13] KVM: arm64: PMU: Set the default PMU for the
 guest before vCPU reset

On Fri, 20 Oct 2023, Raghavendra Rao Ananta wrote:
> From: Reiji Watanabe <reijiw@...gle.com>
>
> The following patches will use the number of counters information
> from the arm_pmu and use this to set the PMCR.N for the guest
> during vCPU reset. However, since the guest is not associated
> with any arm_pmu until userspace configures the vPMU device
> attributes, and a reset can happen before this event, assign a
> default PMU to the guest just before doing the reset.
>
> Signed-off-by: Reiji Watanabe <reijiw@...gle.com>
> Signed-off-by: Raghavendra Rao Ananta <rananta@...gle.com>

Reviewed-by: Sebastian Ott <sebott@...hat.com>

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