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9624d1eb4d
commit12998087d9upstream. Some bits in PCI_EXP registers are reserved for non-root ports. Driver pci-bridge-emul.c implements PCIe Root Port device therefore it should not allow setting reserved bits of registers. Properly define non-reserved bits for all PCI_EXP registers. Link: https://lore.kernel.org/r/20211124155944.1290-5-pali@kernel.org Fixes:23a5fba4d9("PCI: Introduce PCI bridge emulated config space common logic") Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.