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991ecefbdd
In XenGT, ioreq copy is used to trap mmio write and ppgtt write. Both of them are memory write, ioreq handler couldn't distinguish them. So ioreq handler probe the ppgtt write handler, if it is succuess, this ioreq is ppgtt write, otherwise it is mmio write. So ppgtt write handler should return an error at the failure of finding page track, it is fatal to implement ioreq handler in XenGT. Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.