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Commit7f7b4236f2("x86/PCI: Ignore E820 reservations for bridge windows on newer systems") fixes the touchpad not working on laptops like the Lenovo IdeaPad 3 15IIL05 and the Lenovo IdeaPad 5 14IIL05, as well as fixing thunderbolt hotplug issues on the Lenovo Yoga C940. Unfortunately it turns out that this is causing issues with suspend/resume on Lenovo ThinkPad X1 Carbon Gen 2 laptops. So, per the no regressions policy, rever this. Note I'm looking into another fix for the issues this fixed. Fixes:7f7b4236f2("x86/PCI: Ignore E820 reservations for bridge windows on newer systems") BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=2029207 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.