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dec991e472
Currently, the Intel VT-d supports Shared Virtual Memory (SVM) only when IO page fault is supported. Otherwise, shared memory pages can not be swapped out and need to be pinned. The device needs the Address Translation Service (ATS), Page Request Interface (PRI) and Process Address Space Identifier (PASID) capabilities to be enabled to support IO page fault. Disable SVM when ATS, PRI and PASID are not enabled in the device. Signed-off-by: Kyung Min Park <kyung.min.park@intel.com> Acked-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20210314201534.918-1-kyung.min.park@intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de> |
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| kernel | ||
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| README | ||
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.