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Each resource is associated with a parsing callback to parse the data provided from user space when writing schemata file. The 'data' parameter in the callbacks is defined as a void pointer which is error prone due to lack of type check. parse_bw() processes the 'data' parameter as a string while its caller actually passes the parameter as a pointer to struct rdt_cbm_parse_data. Thus, parse_bw() takes wrong data and causes failure of parsing MBA throttle value. To fix the issue, the 'data' parameter in all parsing callbacks is defined and handled as a pointer to struct rdt_parse_data (renamed from struct rdt_cbm_parse_data). Fixes:7604df6e16("x86/intel_rdt: Support flexible data to parsing callbacks") Fixes:9ab9aa15c3("x86/intel_rdt: Ensure requested schemata respects mode") Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Cc: "Chen Yu" <yu.c.chen@intel.com> Link: https://lkml.kernel.org/r/1537048707-76280-2-git-send-email-fenghua.yu@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.
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.