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24191c8c9b
[ Upstream commit52355fb191] Intel VT-d might support PRS (Page Reqest Support) when it's running in the scalable mode. Each page request descriptor occupies 32 bytes and is 32-bytes aligned. The page request descriptor offset mask should be 32-bytes aligned. Fixes:5b438f4ba3("iommu/vt-d: Support page request in scalable mode") Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Liu Yi L <yi.l.liu@intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.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.