Lu Baolu d8190dc638 iommu/vt-d: Enable DMA remapping after rmrr mapped
The rmrr devices require identity map of the rmrr regions before
enabling DMA remapping. Otherwise, there will be a window during
which DMA from/to the rmrr regions will be blocked. In order to
alleviate this, we move enabling DMA remapping after all rmrr
regions get mapped.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2019-05-28 10:19:07 +02:00
2019-05-26 16:49:19 -07:00

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.
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