linux-kernel - Re: [PATCH v6 09/14] KVM: arm64: selftests: Add guest support to get the vcpuid

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Date:   Mon, 13 Sep 2021 20:33:30 -0700
From:   Reiji Watanabe <reijiw@...gle.com>
To:     Raghavendra Rao Ananta <rananta@...gle.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>,
        Andrew Jones <drjones@...hat.com>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Peter Shier <pshier@...gle.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Oliver Upton <oupton@...gle.com>,
        Jing Zhang <jingzhangos@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v6 09/14] KVM: arm64: selftests: Add guest support to get
 the vcpuid

On Mon, Sep 13, 2021 at 4:10 PM Raghavendra Rao Ananta
<rananta@...gle.com> wrote:
>
> At times, such as when in the interrupt handler, the guest wants
> to get the vcpuid that it's running on to pull the per-cpu private
> data. As a result, introduce guest_get_vcpuid() that returns the
> vcpuid of the calling vcpu. The interface is architecture
> independent, but defined only for arm64 as of now.
>
> Suggested-by: Reiji Watanabe <reijiw@...gle.com>
> Signed-off-by: Raghavendra Rao Ananta <rananta@...gle.com>
> Reviewed-by: Ricardo Koller <ricarkol@...gle.com>

Reviewed-by: Reiji Watanabe <reijiw@...gle.com>

Thank you for creating this utility !
Reiji