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7d396cacae
Since the VT-d vs. async flip issues are plaguing a wider range of supported hw let's try to minimize the impact on normal operation by flipping the relevant chicken bits on and off as needed. I presume there is some power/perf impact on since this is reducing some prefetching I think. Cc: Karthik B S <karthik.b.s@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210930190943.17547-2-ville.syrjala@linux.intel.com Reviewed-by: Matt Roper <matthew.d.roper@intel.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.
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.