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Date:   Mon, 23 Oct 2023 17:25:38 +0200 (CEST)
From:   Sebastian Ott <sebott@redhat.com>
To:     Raghavendra Rao Ananta <rananta@google.com>
cc:     Oliver Upton <oliver.upton@linux.dev>,
        Marc Zyngier <maz@kernel.org>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Zenghui Yu <yuzenghui@huawei.com>,
        Shaoqin Huang <shahuang@redhat.com>,
        Jing Zhang <jingzhangos@google.com>,
        Reiji Watanabe <reijiw@google.com>,
        Colton Lewis <coltonlewis@google.com>,
        linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
        linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH v8 02/13] KVM: arm64: PMU: Set the default PMU for the
 guest before vCPU reset
In-Reply-To: <20231020214053.2144305-3-rananta@google.com>
Message-ID: <6dcbfe5b-2502-0f04-81dc-a4b19e231f06@redhat.com>
References: <20231020214053.2144305-1-rananta@google.com> <20231020214053.2144305-3-rananta@google.com>
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On Fri, 20 Oct 2023, Raghavendra Rao Ananta wrote:
> From: Reiji Watanabe <reijiw@google.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@google.com>
> Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>

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