linux-kernel - Re: [RFC PATCH v2 06/19] RISC-V: KVM: Implement VCPU interrupts and requests handling

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Message-ID: <98eaa917-8270-ecdc-2420-491ed1c903d8@redhat.com>
Date:   Fri, 2 Aug 2019 10:17:44 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Anup Patel <Anup.Patel@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Radim K <rkrcmar@...hat.com>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Atish Patra <Atish.Patra@....com>,
        Alistair Francis <Alistair.Francis@....com>,
        Damien Le Moal <Damien.LeMoal@....com>,
        Christoph Hellwig <hch@...radead.org>,
        Anup Patel <anup@...infault.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v2 06/19] RISC-V: KVM: Implement VCPU interrupts and
 requests handling

On 02/08/19 09:47, Anup Patel wrote:
> +	/* VCPU interrupts */
> +	unsigned long irqs_pending;
> +	unsigned long irqs_pending_mask;
> +

This deserves a comment on the locking policy (none for producer,
vcpu_lock for consumers).

Paolo