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2819c94d56
When jumping from uboot to kernel, vop may page fault, this due to vop working parallel to kernel probe dts node by cpu. Defer vop iommu attach function when iommu_ops->add_device called, and hand the attach function to vop driver is a solution. Change-Id: I84822ac7a3d0884f96df774a2363c22cbf0f074a Signed-off-by: Simon Xue <xxm@rock-chips.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.