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This reverts commitbad7dcd94f.bad7dcd94f("ACPI/PCI: Pay attention to device-specific _PXM node values") caused boot failures (no console output at all) for Martin [1] and Ingo [2] on AMD ThreadRipper systems. Revert the commit until we figure out how to safely use these device-specific _PXM values. [1] https://lore.kernel.org/linux-pci/20180912152140.3676-2-Jonathan.Cameron@huawei.com [2] https://lore.kernel.org/linux-pci/20181113071712.GA2353@gmail.com Fixes:bad7dcd94f("ACPI/PCI: Pay attention to device-specific _PXM node values") Signed-off-by: Bjorn Helgaas <bhelgaas@google.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.