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499c8bb469
The current pseudo_lock.c code overwrites the value of the MSR_MISC_FEATURE_CONTROL to 0 even if the original value is not 0. Therefore, modify it to save and restore the original values. Fixes:018961ae55("x86/intel_rdt: Pseudo-lock region creation/removal core") Fixes:443810fe61("x86/intel_rdt: Create debugfs files for pseudo-locking testing") Fixes:8a2fc0e1bc("x86/intel_rdt: More precise L2 hit/miss measurements") Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://lkml.kernel.org/r/eb660f3c2010b79a792c573c02d01e8e841206ad.1661358182.git.reinette.chatre@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.