linux-kernel - Re: [PATCH v5 13/23] irqchip/gic-v4.1: Move doorbell management to the GICv4 abstraction layer

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Date:   Thu, 12 Mar 2020 16:20:01 +0800
From:   Zenghui Yu <yuzenghui@...wei.com>
To:     Marc Zyngier <maz@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <kvmarm@...ts.cs.columbia.edu>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Jason Cooper <jason@...edaemon.net>,
        Robert Richter <rrichter@...vell.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        Eric Auger <eric.auger@...hat.com>,
        "James Morse" <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>
Subject: Re: [PATCH v5 13/23] irqchip/gic-v4.1: Move doorbell management to
 the GICv4 abstraction layer

On 2020/3/5 4:33, Marc Zyngier wrote:
> In order to hide some of the differences between v4.0 and v4.1, move
> the doorbell management out of the KVM code, and into the GICv4-specific
> layer. This allows the calling code to ask for the doorbell when blocking,
> and otherwise to leave the doorbell permanently disabled.
> 
> This matches the v4.1 code perfectly, and only results in a minor
> refactoring of the v4.0 code.
> 
> Signed-off-by: Marc Zyngier <maz@...nel.org>

Reviewed-by: Zenghui Yu <yuzenghui@...wei.com>


Thanks