linux-kernel - Re: [PATCH v4 0/1] x86/PCI: Ignore E820 reservations for bridge windows on newer systems

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Date:   Thu, 14 Oct 2021 16:11:04 -0500
From:   Bjorn Helgaas <helgaas@...nel.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
Subject: Re: [PATCH v4 0/1] x86/PCI: Ignore E820 reservations for bridge
 windows on newer systems

On Thu, Oct 14, 2021 at 05:39:07PM +0200, Hans de Goede wrote:
> Hi All,
> 
> Here is v4 of my patch to address the E820 reservations vs PCI host bridge
> ranges issue which are causing touchpad and/or thunderbolt issues on many
> different laptop models.
> 
> I believe that this is ready for merging now.
> 
> Bjorn, can you review/ack this please ?
> 
> x86/tip folks it would be ideal if you can pick this up and send it out
> as a fix to Linus for 5.15. This fixes a bug which has been plaguing a
> lot of users (see all the bug links in the commit msg).

FWIW, I think there's a v5 coming.