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

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Message-ID: <77705ec1-eaf9-efc1-79db-c2c1c03abe65@redhat.com>
Date:   Thu, 14 Oct 2021 17:24:13 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>
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

Hi,

On 10/14/21 5:16 PM, Christoph Hellwig wrote:
> On Thu, Oct 14, 2021 at 05:15:02PM +0200, Hans de Goede wrote:
>> Hi,
>>
>> On 10/14/21 3:40 PM, Christoph Hellwig wrote:
>>> 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.
>>
>> ?
>>
>> These lines are easily within the new 100 char line-length-limit ?
> 
> That is an exceptional limit if exceeding 80 improves readability for
> individual lines.

Ok, I'll send out a v4 adjusting the comment-block to fit in 80 columns.

Regards,

Hans