linux-kernel - Re: [PATCH v3] x86/PCI: Ignore E820 reservations for bridge windows on newer systems

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Date:   Thu, 14 Oct 2021 06:40:57 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Myron Stowe <myron.stowe@...hat.com>,
        Juha-Pekka Heikkila <juhapekka.heikkila@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, linux-acpi@...r.kernel.org,
        linux-pci@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        Benoit Grégoire <benoitg@...us.ca>,
        Hui Wang <hui.wang@...onical.com>
Subject: Re: [PATCH v3] x86/PCI: Ignore E820 reservations for bridge windows
 on newer systems

On Thu, Oct 14, 2021 at 01:03:57PM +0200, Hans de Goede wrote:
> +	 * Some BIOS-es contain a bug where they add addresses which map to system
> +	 * RAM in the PCI bridge memory window returned by the ACPI _CRS method,

Please avoid the overly long lines in your comments.