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da656a0425
The pci_ats_supported() helper checks if a device supports ATS and is allowed to use it. By checking the ATS capability it also integrates the pci_ats_disabled() check from pci_ats_init(). Simplify the vt-d checks. Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Acked-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20200520152201.3309416-5-jean-philippe@linaro.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
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.