linux-kernel - Re: [PATCH v3 2/3] ACPI / OSL: Allow PCI to be disabled

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Message-ID: <edc8afd7-64a0-a143-e8d6-df3b14b21753@kernel.org>
Date:   Tue, 11 Dec 2018 18:00:19 -0500
From:   Sinan Kaya <okaya@...nel.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/3] ACPI / OSL: Allow PCI to be disabled

On 12/11/2018 5:51 PM, Rafael J. Wysocki wrote:
> Well, users running kernels with CONFIG_PCI unset on platforms
> expecting PCI support to be present in the OS may want to know that I
> suppose, so that would be a good reason to return an error, but
> perhaps just once rather than on every access (maybe unless debugging
> is enabled?).

Warning once would be a good trade-off.