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df74e70ffe
commit13bcb80b7eupstream. When MI_FLUSH_DW post write hw status page in index mode, the index value is in dword step and turned into address offset in cmd dword1. As status page size is 4K, so can't exceed that. This fixed upper bound check in cmd parser code which incorrectly stopped VM for reason of invalid MI_FLUSH_DW write index. v2: - Fix upper bound as 4K page size because index value is address offset. Fixes:be1da7070a("drm/i915/gvt: vGPU command scanner") Cc: stable@vger.kernel.org # v4.10+ Cc: "Zhao, Yan Y" <yan.y.zhao@intel.com> Reviewed-by: Yan Zhao <yan.y.zhao@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.