linux-kernel - Re: [PATCH v7 1/1] x86/PCI: Ignore E820 reservations for bridge windows on newer systems

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Message-ID: <20220519141450.GA19225@bhelgaas>
Date:   Thu, 19 May 2022 09:14:50 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        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>,
        Benoit Grégoire <benoitg@...us.ca>,
        Hui Wang <hui.wang@...onical.com>, linux-acpi@...r.kernel.org,
        linux-pci@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 1/1] x86/PCI: Ignore E820 reservations for bridge
 windows on newer systems

On Thu, May 19, 2022 at 04:01:48PM +0200, Hans de Goede wrote:

> Ok, I'll go and prepare a v9 and I will submit that later today.

Would it be practical to split into three patches?

  1) Add command-line args
  2) Add DMI quirks
  3) Add date check

It seems easier to assimilate and document in smaller pieces, if
that's possible.

> I believe that this summary is correct, except that the broken by
> 4dc2287c1805 list needs the TUXEDO / Clevo:
> 
>     https://bugzilla.kernel.org/show_bug.cgi?id=214259 02/01/2021 TUXEDO (Clevo)

Right, thanks!

Bjorn