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

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Message-ID: <CAAhSdy2rYy+hAaQROYqjDQPKDq1DvROLMjOuWamn6333W-rrpg@mail.gmail.com>
Date:   Mon, 5 Aug 2019 17:57:20 +0530
From:   Anup Patel <anup@...infault.org>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Anup Patel <Anup.Patel@....com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Radim K <rkrcmar@...hat.com>,
        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>,
        "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 Fri, Aug 2, 2019 at 1:47 PM Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> 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).

Yes, I will certainly add comments about our approach in
asm/kvm_host.h

Regards,
Anup