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299bd044a6
Many Zhaoxin Root Ports and Switch Downstream Ports do provide ACS-like capability but have no ACS Capability Structure. Peer-to-Peer transactions could be blocked between these ports, so add quirk so devices behind them could be assigned to different IOMMU group. Link: https://lore.kernel.org/r/20200327091148.5190-4-RaymondPang-oc@zhaoxin.com Signed-off-by: Raymond Pang <RaymondPang-oc@zhaoxin.com> 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.