linux-kernel - Re: [PATCH v2 08/13] PCI/portdrv: Simplify PCIe feature permission checking

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Message-ID: <20180312080402.GE10358@infradead.org>
Date:   Mon, 12 Mar 2018 01:04:02 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
        Keith Busch <keith.busch@...el.com>,
        Sinan Kaya <okaya@...eaurora.org>,
        Lukas Wunner <lukas@...ner.de>,
        Frederick Lawler <fred@...dlawl.com>
Subject: Re: [PATCH v2 08/13] PCI/portdrv: Simplify PCIe feature permission
 checking

> +	 * We assume we can manage these PCIe features.  Some systems may
> +	 * reserve these for use by the platform itself, e.g., an ACPI BIOS
> +	 * may implement its own AER handling and use _OSC to prevent the
> +	 * OS from interfering.
> +	 */
> +	bridge->use_aer = 1;
> +	bridge->use_hotplug = 1;
> +	bridge->use_pme = 1;

If we start out with enabled maybe these should be disable_foo flags
instead?

Also please use bool (or a bitfield bool) for true/false values.